A member asked:

Ii have pvcs frequent, multifocal and form, couplets, and big ad trig. are pvcs mote common in lv.or rv? is one more dangerous than the othee?

4 doctors weighed in across 2 answers

Freq, multifocal PVC: Pvcs mainly originate from the rv outflow tract, but some originate from from the lv outflow tract, mitral and tricuspid valve annulus. A major concern is that pvcs may initiate vt, polymorphic VT and ventricular fibrillation. This risk associated with pvcs is usually limited to patients with significant underlying heart disease or at risk of developing heart disease. Need to see a cardiologist.

Answered 6/10/2014

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PVC: The underlying heart problem is a greater risk factor than the actual pvc's.

Answered 1/29/2012

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