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VPBM.COM VPBM. ventricular premature beat medicine. Ventricular premature
beat (VPB) also known as Premature ventricular contraction (PVC) or extrasystole,
is a form of irregular heartbeat in which the ventricle contracts prematurely.
This results in a "skipped beat" followed by a stronger beat. Individuals with
the condition may report feeling that his or her heart "stops" after an attack.
PVCs are also called heart palpitations (although there are many other forms of
arrhythmia). The depolarization begins in the ventricle instead of the usual
place, i.e. the sinus node. PVCs can be a useful natural probe, since they
induce Heart rate turbulence whose characteristics can be measured, and used to
evaluate cardiac function. |
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