location of ventricular preexcitation

1709 accessory activity amplitude arm arrest arrhythmia atrioventricular atrium beat brand bypass cardiac cardiogram cardiology cartoon circle conduction death diagnosis diagram disease distinguish drawing ecg education ekg electrical electrocardiogram enhanced excitation eye face font graph graphic hand head health heart heartbeat hospital human interval lead left line located location map medical medicine monitoring morphology nose observing organ pathway point pre preexcitation qrs rate reentrant rhythm right segment short sketch system tachycardia text ventricle ventricular wave waves