The diagnosis is normal sinus rhythm, interpolated premature ventricular complexes (PVCs) in a trigeminal pattern, retrograde concealed conduction, intraventricular conduction delay, and old inferior ...

The Brugada criteria/algorithm is below: 1. Do you see concordance present in the precordial leads (leads V1-V6)? Sometimes explained as the absence of an RS complex, concordance is diagnostic of ...

The rhythm is irregularly irregular (ie no consistency to the RR intervals). There are three supraventricular rhythms that are irregularly irregular: Sinus arrhythmia, in which there is one P wave ...

This ECG is challenging. The rhythm starts as normal sinus rhythm with a right bundle branch block, then a wide-complex tachycardia develops in a left bundle branch block pattern. The important thing ...