premature ventricular contraction

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premature ventricular contraction

n. Abbr. PVC
An ectopic heartbeat that originates in the ventricles of the heart and sometimes produces accompanying palpitations.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.premature ventricular contraction - irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation
arrhythmia, cardiac arrhythmia - an abnormal rate of muscle contractions in the heart
References in periodicals archive ?
33%) patients, monomorphic PVCs in 3(20%), SVT and atrial ectopic beats in 2(13.
24 hour ECG Holter monitoring has shown stable sinus rhythm with an average of 67 beats per minute (minimum of 60 beats per minute and maximum 87 beats per minute), diffuse variable ST segment depressions and negative T waves, rare and isolated supraventricular and ventricular ectopic beats, with uniform distribution between active and passive periods.
3) Specific arrhythmias included atrial fibrillation, atrial flutter, supraventricular tachycardia, ventricular tachycardia, sinus bradycardia, ectopic beats, and sudden cardiac death.
Comment: Magnesium deficiency can lead to various arrhythmias, including ventricular premature beats, atrial fibrillation, supraventricular tachycardia, torsades de pointes, supraventricular ectopic beats, bigeminal rhythm, and ventricular fibrillation.
Ectopic beats can occur in a heart that is otherwise functioning normally and causes no symptoms.
Carbachol infusion induced preconditioning with a marked depression of mean arterial blood pressure, heart rate and the total number of ventricular ectopic beats.
They teach the interpretation of ECGs, beginning with anatomy and physiology of the heart, how the ECG is constructed, understanding the normal ECG, and steps for interpretation, then provide clinical examples of real ECGs of major cardiac conditions such as bradyarrhythmias, ectopic beats, atrial arrhythmias, tachyarrhythmias, ischemia and infarction, and inherited arrhythmia problems.
Ectopic beats are very common and don't damage your heart.
Previous studies showed that ectopic beats originating from the PV propagated to the LA with characteristically long conduction time, often with conduction delay or block within the PV or at the PV-LA junction (3).