Concept
Version 11
Created by Boundless
Arrhythmia
Normal sinus rhythm
Schematic diagram of normal sinus rhythm for a human heart as seen on ECG. In atrial fibrillation, one form of cardiac arrhythmia, the P waves, which represent depolarization of the atria, are absent.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"SinusRhythmLabels."
http://en.wikipedia.org/wiki/File:SinusRhythmLabels.svg
Wikipedia
Public domain.