premature ventricular contraction


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Related to premature ventricular contraction: premature atrial contraction

premature ventricular contraction (PVC),

compression within the lower cardiac chambers; such contractions may cause perception of palpitation in patient.
Farlex Partner Medical Dictionary © Farlex 2012

premature ventricular contraction

n. Abbr. PVC
An ectopic heartbeat that originates in the ventricles of the heart and sometimes produces accompanying palpitations.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

premature ventricular contraction

Ventricular premature beat Cardiology A ventricular beat initiated by an ectopic focus, which occurs before the usual sinuatrial beat, characterized by premature, widened, bizarre QRS complexes, not preceded by a P wave; PVCs are extremely common, occur in12 of normal adults monitored by EKG for 24 hrs, and are of no significance Etiology Anxiety, fever, stimulants, associated with drug toxicity–digitalis, quinidine, tricyclic antidepressants and an indication for discontinuing therapy Treatment Lidocaine, quinidine, propranolol, amiodarone
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

pre·ma·ture ven·tri·cu·lar con·trac·tion

(PVC) (prē'mă-chŭr' ven-trik'yū-lăr kŏn-trak'shŭn)
Compression within the lower cardiac chambers; such contractions may cause perception of palpitation in patient.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

pre·ma·ture ven·tri·cu·lar con·trac·tion

(PVC) (prē'mă-chŭr' ven-trik'yū-lăr kŏn-trak'shŭn)
Compression within the lower cardiac chambers.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Especially, the timely detection of premature ventricular contractions (PVCs) is of utmost importance as this may lead to cardiac arrhythmias that may turn out to be fatal.
After premature ventricular contractions are provoked (black arrow), the postextrasystolic beat demonstrates a reduction in aortic pulse pressure with a worsening in peak-to-peak gradient to 160 mmHg (checkered arrow).
Premature ventricular contractions are extra heartbeats coming from the bottom chambers of the heart (ventricles).
Premature ventricular contractions (PVCs), also known as premature ventricular complexes, are early depolarization of the myocardium originating in the ventricle due to increased automaticity, triggered activity, or reentry.
While caffeine does not appear to cause CAD, it certainly does make the heart more "irritable leading to more frequent extra beats such as premature ventricular contractions (PVCs) and premature atrial contractions (PACs).
Twelve-lead electrocardiogram (QTc range 395-405 ms) showed frequent premature ventricular contractions with left bundle branch block morphology and inferior axis (Fig.
Holter-monitoring studies demonstrated that the group's mean number of premature ventricular contractions plummeted from 2,993 per 24 hours at baseline to 1,476 per 24 hours on the day after the 2-week sauna stint ended.
* Asymptomatic Premature Ventricular Contractions or Premature Atrial Contractions.
Premature ventricular contractions (PVCs) originating from the ventricular outflow tract (OT) are types of idiopathic ventricular arrhythmia (VA).
One of them had first-degree atrioventricular block with uniform, rare premature ventricular contractions; one had rare, uniform premature ventricular contractions; one had rare, premature atrial contractions; one had frequent premature ventricular contractions with couplets; and one had premature atrial contractions with short episodes of supraventricular tachycardia.
Alcohol can induce extra heartbeats known as premature atrial contractions (PAC's) or premature ventricular contractions (PAC's), which usually are not dangerous.
Such symptoms usually stem from benign premature atrial contractions (PACs) or premature ventricular contractions (PVCs).