window_id
string
setting
string
ecg_gt
string
ppg_gt
string
T1_question
string
T1_answer
string
T2_question
string
T2_answer
string
T3_question
string
T3_answer
string
1404_w0187
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The diagnosis is normal sinus rhythm at a bradycardic rate of approximately 49.6 BPM, as indicated by a median R-R interval of 1.210 seconds and a low R-R coefficient of variation (CV) of 0.010, demonstrating regularity. The presence of uniform narrow QRS complexes (60 ms) that match the sinus baseline, along with a co...
null
null
null
null
1404_w0187
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 49.6 BPM, with a median R-R interval of 1.21 seconds. The R-R interval coefficient of variation (CV) is 0.01, indicating very stable and regular intervals with no irregularities detected. The PPG signal shows uniformly spaced peaks with minimal variat...
null
null
null
null
1420_w0236
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 68 BPM (median R-R interval of 0.88 seconds) and a regular R-R interval with a coefficient of variation of 0.022, indicating minimal variability. The presence of uniform narrow QRS complexes (median width of 60 ms) and a cons...
null
null
null
null
1420_w0236
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a consistent heart rate of 67.8 BPM, with a median R-R interval of 0.885 seconds. The R-R interval coefficient of variation (CV) is 0.024, indicating excellent regularity, and there are no irregular intervals detected. The uniform peak spacing and absence of ectopic-like beats fur...
null
null
null
null
5224_w0068
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 77 BPM (median R-R interval of 0.775s) with a low R-R variability (CV of 0.017), indicating regularity. The presence of consistent P waves (P-wave ratio of 1.0) and a stable PR interval of 122 ms supports sinus atrial activit...
null
null
null
null
5224_w0068
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 77.4 BPM, which is within the normal range. The R-R intervals demonstrate a coefficient of variation (CV) of 0.017, indicating excellent regularity with no irregular intervals detected. The uniform peak spacing and minimal variation in amplitudes further support a ...
null
null
null
null
3110_w0100
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 94 BPM (93.75 BPM from the tool), with a median R-R interval of 0.64 seconds and a coefficient of variation (CV) of 0.103, indicating regularity. P-waves are present in 80% of the analyzed beats, with a PR interval of 182.5 m...
null
null
null
null
3110_w0100
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is classified as normal, characterized by a heart rate of approximately 95 BPM (median R-R interval of 0.630s). The R-R intervals show a slight irregularity, with a coefficient of variation of 0.111, indicating minor physiological variation. Notably, there is one significant increase in the R-R interval (ΔRR...
null
null
null
null
4032_w0377
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 80 BPM (median R-R interval of 0.750 seconds) with a low R-R variability (CV of 0.009). The presence of uniform narrow QRS complexes (60 ms) and consistent P-waves (P present ratio of 1.0) further supports this diagnosis, indicating no p...
null
null
null
null
4032_w0377
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 80.0 BPM and uniform R-R intervals with a coefficient of variation (CV) of 0.009, indicating excellent regularity. The R-R intervals range from 0.74 to 0.76 seconds, with no irregular intervals detected, supporting a consistent rhythm. As this is a PPG analysis, no...
null
null
null
null
3187_w0057
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 57 BPM (median R-R interval of 1.05 seconds) and a low coefficient of variation (0.008), indicating consistent R-R intervals. The presence of uniform narrow QRS complexes (median width of 50 ms) and a stable PR interval of 152 ms, along ...
null
null
null
null
3187_w0057
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 56.9 BPM and a median R-R interval of 1.055 seconds. The R-R coefficient of variation (CV) is 0.010, indicating very stable intervals with no irregularities, as evidenced by the absence of irregular intervals and minimal variation in peak amplitudes. The consistent...
null
null
null
null
2212_w0156
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 111 BPM (median R-R interval of 0.54 seconds) with a low R-R variability (CV of 0.01), indicating regularity. P-waves are present in all beats, although their morphology is ambiguous, suggesting normal atrial activity. The QR...
null
null
null
null
2212_w0156
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 111.1 BPM, which is within the normal physiological range. The R-R intervals are uniformly spaced, with a coefficient of variation (CV) of 0.010, indicating excellent regularity and no irregular intervals detected. The absence of ectopic-like beats further supports...
null
null
null
null
5474_w0012
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, with a heart rate of approximately 75.9 BPM (median R-R interval of 0.790 seconds). The R-R intervals are regular (CV of 0.009), and P-waves are present in all beats, indicating atrial activity, although their morphology is somewhat ambiguous. The QRS complexes are predom...
null
null
null
null
5474_w0012
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 75.9 BPM and a median R-R interval of 0.79 seconds. The R-R coefficient of variation (CV) is 0.009, indicating minimal variability and a regular rhythm, with no irregular intervals detected. The PPG signal shows uniformly spaced peaks with consistent amplitude, sup...
null
null
null
null
2699_w0072
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 74.5 BPM (median R-R interval of 0.805 seconds) with a low R-R variability (CV of 0.008), indicating regularity. The presence of uniform narrow QRS complexes (median width of 40 ms) and a consistent P-wave morphology (100% presence ratio) ...
null
null
null
null
2699_w0072
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 74.5 BPM, with a median R-R interval of 0.805 seconds. The R-R interval coefficient of variation (CV) is 0.008, indicating minimal beat-to-beat variability and a consistent rhythm. There are no irregular intervals detected, supporting the diagnosis of a regular rhy...
null
null
null
null
174_w0019
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 107.1 BPM (median R-R interval of 0.560 seconds) with a low R-R variability (CV of 0.012), indicating regularity. The presence of consistent P waves (P-wave ratio of 1.0) and a stable PR interval of 141 ms supports sinus atrial activity. A...
null
null
null
null
174_w0019
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 107.1 BPM and a median R-R interval of 0.560 seconds. The R-R coefficient of variation (CV) is 0.012, indicating excellent regularity with no irregular intervals detected. The PPG waveform shows uniformly spaced peaks with minimal variation in timing and amplitude,...
null
null
null
null
2668_w0407
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 62.5 BPM (median R-R interval of 0.960 seconds) with a low R-R variability (CV of 0.014). There are uniform narrow QRS complexes (median width of 55 ms) that match the sinus baseline, and no irregular intervals or premature beats are pre...
null
null
null
null
2668_w0407
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 62.5 BPM, which is within the normal range. The R-R intervals are uniform, with a coefficient of variation (CV) of 0.014, indicating excellent regularity and no irregular intervals detected. The absence of ectopic-like beats further supports the diagnosis of a stab...
null
null
null
null
2381_w0020
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 61.2 BPM (median R-R interval of 0.980 seconds) and a regular R-R interval with a coefficient of variation of 0.012, indicating minimal variability. The presence of uniform narrow QRS complexes (50 ms) and consistent P-waves (90% presence ...
null
null
null
null
2381_w0020
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 61.2 BPM and a median R-R interval of 0.980 seconds. The R-R interval coefficient of variation (CV) is 0.012, indicating excellent regularity with no significant deviations or irregular intervals. The PPG signal shows uniformly spaced peaks with minimal variation i...
null
null
null
null
5391_w0049
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 56.1 BPM (median R-R interval of 1.070 seconds) and a low coefficient of variation (R-R CV of 0.035), indicating consistent R-R intervals. The presence of uniform narrow QRS complexes (median QRS width of 40 ms) and a single consistent P...
null
null
null
null
5391_w0049
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 56.1 BPM and a median R-R interval of 1.070 seconds. The R-R coefficient of variation is 0.035, indicating minimal variability and a regular rhythm. The PPG signal shows uniformly spaced peaks with no ectopic-like beats or irregular intervals, supporting the diagno...
null
null
null
null
3525_w0300
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 117.6 BPM (median R-R interval of 0.510 seconds) with a low R-R variability (CV of 0.009), indicating consistent intervals. The presence of uniform narrow QRS complexes (median QRS duration of 45 ms) that match the sinus baseline, along ...
null
null
null
null
3525_w0300
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 117.6 BPM, with a median R-R interval of 0.510 seconds. The R-R coefficient of variation (CV) is 0.009, indicating a highly regular rhythm with no significant deviations or irregular intervals. The PPG signal shows uniformly spaced peaks with minimal ...
null
null
null
null
5697_w0421
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 55.6 BPM (median R-R interval of 1.080 seconds) and a low R-R variability (CV of 0.009), indicating regularity. P-waves are consistently present with a single morphology and a PR interval of 131 ms, confirming sinus origin. The QRS compl...
null
null
null
null
5697_w0421
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 55.6 BPM (median R-R interval of 1.08 seconds). The R-R intervals show minimal variation, with a coefficient of variation of 0.009 and the largest beat-to-beat change being only 0.020 seconds (1.9% of the median), indicating a regular rhythm without i...
null
null
null
null
5169_w0046
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as a slow but regular sinus rhythm at a rate of 40 BPM, with a median R-R interval of 1.50 seconds and a coefficient of variation of 0.017, indicating regularity. The presence of uniform narrow QRS complexes (median width 50 ms) that match the sinus baseline, along with a consistent P-wave morph...
null
null
null
null
5169_w0046
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is diagnosed as normal, characterized by a heart rate of 40.0 BPM and a median R-R interval of 1.5 seconds. The R-R intervals show minimal variation, with a coefficient of variation (CV) of 0.017, indicating a regular rhythm without significant beat-to-beat variability. Additionally, there are no ectopic-lik...
null
null
null
null
3433_w0149
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 64.5 BPM (median R-R interval of 0.930 seconds) with a low R-R variability (CV of 0.013), indicating regularity. P-waves are present in all analyzed beats, although their morphology is somewhat ambiguous, suggesting consisten...
null
null
null
null
3433_w0149
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 64.5 BPM, with a median R-R interval of 0.930 seconds. The R-R interval coefficient of variation (CV) is 0.013, indicating excellent regularity, and there are no irregular intervals detected. The uniform peak spacing and absence of ectopic-like beats further suppor...
null
null
null
null
4100_w0100
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 64 BPM (median R-R interval of 0.94 seconds) with a low R-R variability (CV of 0.013). The presence of consistent P waves (P-present ratio of 1.0) and uniform narrow QRS complexes (median QRS width of 50 ms) further supports ...
null
null
null
null
4100_w0100
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 63.8 BPM and a median R-R interval of 0.940 seconds. The R-R coefficient of variation (CV) is 0.013, indicating excellent regularity with no significant deviations in interval or amplitude. The PPG signal shows uniformly spaced peaks with minimal variation, support...
null
null
null
null
1276_w0018
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 78 BPM (median R-R interval of 0.77 seconds) with a low R-R variability (CV of 0.014), indicating regularity. The presence of consistent P waves (P-present ratio of 1.0) and a stable PR interval of 120 ms confirms sinus atria...
null
null
null
null
1276_w0018
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 77.9 BPM and a median R-R interval of 0.770 seconds. The R-R coefficient of variation (CV) is 0.014, indicating minimal variability and a regular rhythm with no irregular intervals detected. The consistent peak spacing and low amplitude variation further support th...
null
null
null
null
3077_w0361
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 66.7 BPM (median R-R interval of 0.900 seconds) with a low R-R variability (CV of 0.005), indicating consistent intervals. The presence of uniform narrow QRS complexes (median QRS duration of 60 ms) and no irregularities or premature bea...
null
null
null
null
3077_w0361
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 66.7 BPM, which is within the normal range. The R-R intervals show minimal variation, with a coefficient of variation (R-R CV) of 0.005, indicating a regular rhythm. Additionally, there are no irregular intervals detected, further supporting the diagnosis of a stab...
null
null
null
null
382_w0073
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 63.2 BPM, with a regular R-R interval (median R-R of 0.950 seconds and R-R CV of 0.013), indicating consistent timing between beats. The presence of uniform narrow QRS complexes (median QRS duration of 50 ms) and no irregular intervals or ...
null
null
null
null
382_w0073
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a consistent median R-R interval of 0.950 seconds (63.2 BPM) and a low R-R coefficient of variation (CV) of 0.013, indicating minimal variability. The absence of irregular intervals and the uniform peak spacing throughout the recording further support a regular rhythm with no anom...
null
null
null
null
4932_w0221
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 83.3 BPM, with a median R-R interval of 0.720 seconds and a low R-R variability (CV of 0.007), indicating regularity. The presence of uniform narrow QRS complexes (40 ms) that match the sinus baseline, along with a consistent P-wave morpho...
null
null
null
null
4932_w0221
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 83.3 BPM and a median R-R interval of 0.720 seconds. The R-R interval coefficient of variation (CV) is 0.007, indicating excellent regularity with no significant irregular intervals detected. Although one beat exhibited a reduced amplitude of 21, this was an isolat...
null
null
null
null
1622_w0000
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 87 BPM (median R-R interval of 0.690 seconds) with a low R-R variability (CV of 0.010), indicating regularity. The presence of uniform narrow QRS complexes (median QRS width of 50 ms) confirms normal conduction, and there are no premature ...
null
null
null
null
1622_w0000
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a median R-R interval of 0.690 seconds (approximately 87.0 BPM) and a low R-R coefficient of variation (CV) of 0.010, indicating consistent timing between beats. The absence of irregular intervals and a maximum absolute difference in R-R intervals of only 0.02 seconds further supp...
null
null
null
null
3878_w0188
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 62.8 BPM with a median R-R interval of 0.955 seconds and a low R-R variability (CV of 0.005), indicating regularity. The presence of uniform narrow QRS complexes (median width of 60 ms) and a consistent P-wave morphology (P-wave presence r...
null
null
null
null
3878_w0188
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 62.8 BPM and uniform R-R intervals with a coefficient of variation (CV) of 0.005, indicating excellent regularity. There are no irregular intervals or ectopic-like beats detected, and the R-R intervals consistently range around 0.955 seconds. These features collect...
null
null
null
null
696_w0297
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 72.3 BPM (median R-R interval of 0.83s) with a low R-R variability (CV of 0.008), indicating regularity. There is a consistent presence of P-waves (P-present ratio of 1.0) with a stable PR interval of 152 ms, confirming sinus atrial activi...
null
null
null
null
696_w0297
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a consistent heart rate of 72.7 BPM, with a median R-R interval of 0.825 seconds. The R-R interval coefficient of variation (CV) is 0.010, indicating excellent regularity, and there are no irregular intervals detected. The absence of ectopic-like beats further supports the diagnos...
null
null
null
null
3129_w0302
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 72 BPM (mean R-R interval of 0.83s) and a regular R-R interval with a coefficient of variation of 0.015, indicating minimal variability. The presence of consistent P waves (P-wave ratio of 1.0) and a stable PR interval of 175...
null
null
null
null
3129_w0302
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 72.7 BPM and a median R-R interval of 0.825 seconds. The R-R coefficient of variation (CV) is 0.01, indicating minimal variability, and there are no irregular intervals detected. The consistently spaced peaks in the PPG signal further support a regular rhythm witho...
null
null
null
null
5377_w0156
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 58.3 BPM (median R-R interval of 1.030 seconds) and a regular R-R interval with a coefficient of variation of 0.008, indicating minimal variability. P-waves are consistently present with a single morphology and a stable PR interval of 158 ...
null
null
null
null
5377_w0156
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 58.3 BPM and a median R-R interval of 1.030 seconds. The R-R interval coefficient of variation (CV) is 0.008, indicating a highly regular rhythm with no significant beat-to-beat variability. Additionally, the absence of ectopic-like beats and consistent peak spacin...
null
null
null
null
1072_w0041
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 69 BPM (median R-R interval of 0.87 seconds) and a low R-R variability (CV of 0.01), indicating regularity. The presence of uniform narrow QRS complexes (median width of 50 ms) and a consistent P-wave morphology with a PR interval of 149 m...
null
null
null
null
1072_w0041
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 69 BPM (median R-R interval of 0.870 s) and a low R-R coefficient of variation (CV) of 0.010, indicating excellent regularity. The PPG signal displays uniformly spaced peaks with minimal variation in interval and amplitude, with no irregular intervals...
null
null
null
null
5949_w0190
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 62.5 BPM (median R-R interval of 0.96 seconds) and a regular R-R interval with a coefficient of variation of 0.011, indicating minimal variability. The presence of a single consistent P-wave morphology and a stable PR interval of 160 ms co...
null
null
null
null
5949_w0190
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 62.2 BPM, with a median R-R interval of 0.965 seconds. The R-R coefficient of variation (CV) is 0.010, indicating minimal variability and a regular rhythm. There are no irregular intervals or ectopic-like beats detected, supporting the conclusion of a...
null
null
null
null
5217_w0440
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm at a rate of 82 BPM, with a median R-R interval of 0.73 seconds and a low R-R variability (CV of 0.006), indicating regularity. P-waves are present in all analyzed beats, although their morphology is ambiguous, suggesting normal atrial activity. The QRS complexes are predo...
null
null
null
null
5217_w0440
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a consistent heart rate of 82.2 BPM, with a median R-R interval of 0.730 seconds. The R-R interval coefficient of variation (CV) is 0.006, indicating excellent regularity with no irregular intervals detected. Additionally, the absence of ectopic-like beats and the uniform beat spa...
null
null
null
null
4496_w0148
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 53.1 BPM, indicating bradycardia. The median R-R interval is 1.130 seconds with a low variability (R-R CV of 0.006), confirming regularity. P-waves are consistently present with a single morphology and a stable PR interval of 135 ms, sup...
null
null
null
null
4496_w0148
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 53.1 BPM and a median R-R interval of 1.130 seconds. The R-R interval coefficient of variation (CV) is 0.006, indicating very stable and regular rhythm with no irregular intervals detected. The uniform peak spacing and absence of ectopic-like beats further support ...
null
null
null
null
1605_w0333
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of approximately 81 BPM (median R-R interval of 0.74 seconds) with a low R-R variability (CV of 0.007). P-waves are consistently present (P present ratio of 1.0), although their morphology is ambiguous, indicating normal atrial activity. Th...
null
null
null
null
1605_w0333
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 81.1 BPM, which is within the normal physiological range. The R-R intervals are consistent, with a coefficient of variation (CV) of 0.007, indicating uniformity and regularity throughout the recording. There are no irregular intervals or ectopic-like beats detected...
null
null
null
null
2778_w0087
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular heart rate of 63.2 BPM (median R-R interval of 0.950 seconds) with a low R-R variability (CV of 0.015), indicating consistent intervals. The presence of uniform narrow QRS complexes (60 ms) and no irregularities or premature beats further suppor...
null
null
null
null
2778_w0087
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 63.2 BPM, which is within the normal range. The R-R interval median is 0.950 seconds, with a coefficient of variation (CV) of 0.015, indicating excellent regularity and minimal variation in R-R intervals. There are no irregular intervals detected, further supportin...
null
null
null
null
3366_w0126
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 105 BPM (median R-R interval of 0.57 seconds). The R-R intervals are regular with a coefficient of variation of 0.008, indicating stability. P-waves are consistently present, supporting sinus atrial activity, and the QRS comp...
null
null
null
null
3366_w0126
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 105.3 BPM, with a median R-R interval of 0.570 seconds. The R-R coefficient of variation is 0.007, indicating excellent regularity, and there are no irregular intervals noted. The PPG signal shows uniformly spaced peaks with minimal variation in ampli...
null
null
null
null
4073_w0226
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of approximately 62 BPM (median R-R interval of 0.97 seconds) with a low R-R variability (CV of 0.011). P-waves are present in all analyzed beats, indicating consistent atrial activity, while the QRS complexes are predominantly narrow (medi...
null
null
null
null
4073_w0226
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 61.9 BPM, with a median R-R interval of 0.970 seconds. The R-R coefficient of variation is 0.011, indicating minimal variability, and there are no irregular intervals detected, supporting a regular rhythm. The PPG signal shows uniformly spaced peaks with consistent...
null
null
null
null
1915_w0185
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular heart rate of 88.2 BPM (median R-R interval of 0.680 seconds) with a low R-R variability (CV of 0.004), indicating consistent intervals. P-waves are present in all cycles, although their morphology is somewhat ambiguous, and the QRS complexes ar...
null
null
null
null
1915_w0185
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 88.2 BPM, which is within the normal range. The R-R intervals are uniformly spaced, with a coefficient of variation (CV) of 0.004, indicating excellent regularity. There are no irregular intervals detected, and the median R-R interval is 0.680 seconds, further supp...
null
null
null
null
166_w0129
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 61.2 BPM (median R-R interval of 0.980s) and a regular R-R interval with a coefficient of variation of 0.022, indicating minimal variability. The presence of uniform narrow QRS complexes (median width of 50 ms) and a consistent P-wave morp...
null
null
null
null
166_w0129
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 61.2 BPM, with a median R-R interval of 0.980 seconds. The R-R coefficient of variation (CV) is 0.022, indicating a highly regular rhythm with no significant irregularities, as evidenced by the absence of ectopic-like beats and a maximum absolute devi...
null
null
null
null
1810_w0443
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 63 BPM (median R-R interval of 0.95 seconds) with a low R-R variability (CV of 0.004), indicating regularity. The presence of a consistent P-wave morphology (90% of beats) and a stable PR interval (202 ms) further supports si...
null
null
null
null
1810_w0443
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 63.2 BPM, which is within the normal range. The R-R intervals are uniform with a coefficient of variation (CV) of 0.004, indicating regularity without any irregular intervals. Additionally, there are no ectopic-like beats detected, supporting the conclusion of a st...
null
null
null
null
1484_w0041
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 68.2 BPM (median R-R interval of 0.88 seconds) with a low R-R variability (CV of 0.012). The presence of uniform narrow QRS complexes (median width of 80 ms) and the absence of premature beats or pauses further support this diagnosis. Ad...
null
null
null
null
1484_w0041
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 68 BPM (median R-R interval of 0.880 s) and a very low R-R coefficient of variation (CV) of 0.012, indicating excellent regularity. The PPG waveform displays uniformly spaced peaks with minimal variation in amplitude and interval, further supporting t...
null
null
null
null
5493_w0059
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a slow heart rate of approximately 50.8 BPM (median R-R interval of 1.180 seconds). The R-R intervals are regular with a coefficient of variation of 0.007, indicating minimal variability. There is a consistent presence of uniform narrow QRS complexes (med...
null
null
null
null
5493_w0059
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 50.8 BPM and a median R-R interval of 1.180 seconds. The R-R interval coefficient of variation (CV) is 0.007, indicating excellent regularity with no significant deviations, as evidenced by the absence of irregular intervals. The PPG signal shows uniformly spaced p...
null
null
null
null
6354_w0071
both
normal
PVC/PAC
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal, characterized by a heart rate of approximately 64 BPM (median R-R interval of 0.935s). The R-R intervals are predominantly regular (CV 0.075), with narrow QRS complexes (median QRS duration of 85 ms), indicating normal ventricular conduction. Although there are two premature ventricul...
null
null
null
null
6354_w0071
ppg
normal
PVC/PAC
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is characterized by a regular rate of 64.2 BPM, with a median R-R interval of 0.935 seconds. The R-R interval coefficient of variation (CV) is 0.075, indicating a mostly regular rhythm with some focal irregularity. Notably, there are two ectopic-like beats: one with a significant negative ΔRR of -0.260 secon...
null
null
null
null
2305_w0128
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of approximately 88 BPM (median R-R interval of 0.68 seconds) with a low R-R variability (CV of 0.007). There are uniform narrow QRS complexes (median width of 50 ms) that align with the sinus baseline, and P-waves are present in all interv...
null
null
null
null
2305_w0128
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 88.2 BPM, with a median R-R interval of 0.680 seconds. The R-R coefficient of variation (CV) is 0.007, indicating excellent regularity, and the largest beat-to-beat ΔRR of 0.010 seconds (1.5% of median) falls within normal limits. The PPG signal shows...
null
null
null
null
964_w0109
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 64 BPM (median R-R interval of 0.94 seconds) with a low R-R variability (CV of 0.023), indicating regularity. The presence of consistent P waves (P-present ratio of 1.0) and a stable PR interval of 139 ms further supports sin...
null
null
null
null
964_w0109
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 63.8 BPM, with a median R-R interval of 0.940 seconds. The R-R interval coefficient of variation (CV) is 0.023, indicating minimal variability and a regular rhythm. There are no irregular intervals or ectopic beats observed, supporting the diagnosis o...
null
null
null
null
2067_w0018
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 70 BPM (median R-R interval of 0.855s) and a low R-R variability (CV of 0.025), indicating regularity. The presence of uniform narrow QRS complexes (median QRS width of 50 ms) and a consistent P-wave morphology with a PR inte...
null
null
null
null
2067_w0018
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 70.2 BPM, with a median R-R interval of 0.855 seconds. The R-R coefficient of variation (CV) is 0.025, indicating minimal beat-to-beat variability and a regular rhythm. The PPG waveform displays uniformly spaced peaks with no evidence of ectopic beats or irregular ...
null
null
null
null
4925_w0475
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of approximately 73 BPM (median R-R interval of 0.82 seconds) with a low R-R variability (CV of 0.011), indicating regularity. The presence of consistent P waves (P-present ratio of 1.0) and a stable PR interval of 135 ms further supports sin...
null
null
null
null
4925_w0475
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 73.2 BPM and a median R-R interval of 0.820 seconds. The R-R coefficient of variation (CV) is 0.011, indicating excellent regularity with no significant deviations in beat spacing. Additionally, there are no irregular intervals detected, further supporting the diag...
null
null
null
null
4505_w0037
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 57.1 BPM (median R-R interval of 1.050 seconds) and a low R-R coefficient of variation (0.004), indicating regularity. P-waves are present in all cycles, although their morphology is ambiguous, and the QRS complexes are narrow (median widt...
null
null
null
null
4505_w0037
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 57.1 BPM and a median R-R interval of 1.05 seconds. The R-R coefficient of variation is 0.004, indicating excellent regularity with no irregular intervals detected. The PPG signal shows uniformly spaced peaks with minimal variation in amplitude, supporting the diag...
null
null
null
null
5300_w0281
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 63.2 BPM (median R-R interval of 0.950 seconds) and a low R-R variability (CV of 0.008), indicating regularity. The presence of uniform narrow QRS complexes (median width of 50 ms) and consistent P-wave morphology with a PR interval of 160...
null
null
null
null
5300_w0281
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 63.2 BPM, which is within the normal range. The R-R intervals are consistent, with a coefficient of variation (CV) of 0.008, indicating uniformity and regularity without any irregular intervals. There are no ectopic-like beats or morphological deviations, supportin...
null
null
null
null
5760_w0002
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a heart rate of 84.5 BPM, with a regular R-R interval (median R-R of 0.710s and R-R CV of 0.009). The presence of uniform narrow QRS complexes (median QRS width of 50 ms) and a consistent P-wave morphology (P present ratio of 1.0) further supports this di...
null
null
null
null
5760_w0002
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of approximately 84.5 BPM, with a median R-R interval of 0.710 seconds. The R-R coefficient of variation (CV) is 0.009, indicating minimal variability and a regular rhythm. Additionally, there are no irregular intervals or ectopic-like beats detected, supporting the d...
null
null
null
null
5279_w0242
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The rhythm is diagnosed as normal sinus rhythm, characterized by a regular rate of 54.5 BPM (median R-R interval of 1.1 seconds) and a low R-R variability (CV of 0.009). The presence of consistent narrow QRS complexes (median width of 45 ms) and a stable P-wave morphology further supports this diagnosis, indicating nor...
null
null
null
null
5279_w0242
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 54.3 BPM, with a median R-R interval of 1.105 seconds. The R-R coefficient of variation (CV) is 0.011, indicating excellent regularity with no significant deviations in interval or amplitude, as evidenced by the absence of irregular intervals. The PPG signal shows ...
null
null
null
null
1813_w0123
both
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, P-wave, QRS morphology) that support your diagnosis.
The diagnosis is normal sinus rhythm. Key features supporting this diagnosis include a heart rate of 59.4 BPM, indicating bradycardia, with a regular R-R interval (median R-R of 1.010 seconds and R-R CV of 0.019). The presence of uniform narrow QRS complexes (median QRS width of 50 ms) that match the sinus baseline, al...
null
null
null
null
1813_w0123
ppg
normal
normal
Diagnose the rhythm and explain the KEY features (rate, R-R regularity, pulse-wave morphology (no P-wave/QRS on PPG)) that support your diagnosis.
The rhythm is normal, characterized by a heart rate of 59.4 BPM and a median R-R interval of 1.01 seconds. The R-R coefficient of variation (CV) is 0.019, indicating minimal variability and a regular rhythm with no irregular intervals or ectopic beats observed. The consistently spaced peaks in the PPG signal further su...
null
null
null
null