Atrial fibrillation and ventricular dysfunction: a vicious electromechanical cycle.


Case Presentation: A 44-yearold man with a history of hypertension presented with New York Heart Association class IV congestive heart failure (CHF) and atrial fibrillation (AF) with rapid ventricular response (160 beats per minute) and unknown onset. Transthoracic and transesophageal echocardiography demonstrated severe global left ventricular (LV… (More)

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