Practical Reviews

Myocardial Scar Burden Predicts CRT Response

Background: Cardiac resynchronization therapy (CRT) involves positioning of left- and right-sided ventricular pacemaker leads for the treatment of left ventricular (LV) dysfunction in patients with cardiomyopathy and widened QRS complex on electrocardiogram (ECG). Approximately one-third of these patients do not respond to CRT. Numerous studies have been published that investigate echocardiography and MRI to predict which patients will respond to CRT. Most of these studies suffer f more...
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