An 83-year-old male with a history of peripheral arterial disease and hypertension is found to have extensive mitral annular calcification on a transthoracic…

In the context of antiplatelet therapy in acute coronary syndrome, when should GP IIb/ IIIa receptor antagonists be considered?

A 68-year-old man with a history of recurrent paroxysmal atrial fibrillation (AF) is started on flecainide, a class IC antiarrhythmic drug. Two weeks…

A 64-year-old woman with a history of recurrent symptomatic atrial fibrillation is started on quinidine (a sodium channel blocking agent) to maintain sinus…

…initial assessment concludes that the ECG is normal, but your colleague warns you that lead V1 may reveal an ongoing atrial flutter. Is that correct…

What is the correlation of isolated axis deviation or voltage criteria for atrial enlargement with cardiac pathology in athletes?

A 28-year-old male with Wolff-Parkinson-White (WPW) syndrome presents to the emergency department in atrial fibrillation. His ECG shows a rapid, irregular…

…Ventricular Rate 126 beats/min Atrial Rate 126 beats/min QRS Duration 90 ms QT Interval 334 ms QT Corrected 483 ms RAxis 243 ms…

…of breath. Her initial ECG shows ST-segment elevation in the anterior leads. Cardiac catheterization reveals normal coronary arteries. Left ventriculography demonstrates apical akinesis. A…