A 68-year-old male with morbid obesity and no past medical history comes to the office complaining of fatigue and shortness of breath. He does not feel dizzy and has never passed out. He takes no ...

Delayed cases of total atrioventricular block (AVB) or complete heart block can occur more than 2 days after TAVI, two new studies affirm, highlighting the utility of extended ECG monitoring after ...

A new consensus document released this week, complete with treatment algorithms, hopes to reduce the number of potentially deadly conduction disturbances following TAVR, including new-onset left ...

This is a narrow complex tachycardia with a rate of 124 beats/min. The QRS morphology and axis are normal. The QTc is prolonged, at 529 ms (normal, 390-450 ms for men). The underlying P waves appear ...

This is a classic example of AV nodal blocks that can occur with inferior wall myocardial infarctions. There are two mechanisms behind this phenomenon. An inferior wall MI results in vagal stimulation ...

New research highlights postnatal regeneration limits and pathological remodeling of the cardiac conduction system after myocardial infarction, uncovering mechanisms behind clinical arrhythmogenesis ...