Extrasystole heartbeats,ECG artwork. Diagram showing the electrical activity of the atrium (top) and ventricle (bottom) of a human heart during extrasystole. Premature ventricular contraction (PVC),or extrasystole,is a relatively common event where the heartbeat is initiated by Purkinje fibres in the ventricles rather than by the sinoatrial node,the normal heartbeat initiator | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Veisland, Bo |
Bildgröße: | 2190 px × 1642 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |