From: DailyQuestion@...
Date: April 4, 2009 7:12:47 AM EDT
To: glennskow@...
Subject: EMedHome Question of the Day

The EMedHome Question of the Day is:

Why is the differentiation between monomorphic and polymorphic ventricular tachycardia important in terms of the underlying etiology of the arrhythmia?

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The Answer is:

Patients with monomorphic VT typically have structural heart disease, whereas patients with polymorphic VT characteristically have electrolyte abnormalities, a drug effect, ischemia, or a genetic cardiac channelopathy (Mayo Clin Proc,12/08,pg. 1392).


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