Figure 3 | Scientific Reports

Figure 3

From: Reliable P wave detection in pathological ECG signals

Figure 3

The illustration of AFIB detection. Top: Length of RR intervals. Bottom: Corresponding Shannon entropy with decision threshold (blue line) and ground truth AFIB annotations (red block). Shannon entropy values higher than the threshold (about 0.9–1 in this particular case) correspond with ECG segment, where AFIB manifestations are present (according to the annotations available from the database).

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