Contraction

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Related to premature ventricular contraction: premature atrial contraction

CONTRACTION. An abbreviation; a mode of writing or printing by which some of the letters of a word are omitted. See Abbreviations.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.

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References in periodicals archive ?

7, when the normal signal and the premature ventricular contraction signal are compared, it can be seen that the R-R distance is shorter and the Q-R amplitude is larger and the R-S amplitude is smaller than that of premature ventricular contraction signal.

Classification of Premature Ventricular Contraction using Error Back-Propagation

Catheter ablation of premature ventricular contractions arising from the mitral annulus after mitral valvoplasty.

Successful catheter ablation of symptomatic premature ventricular contractions originating from mitral annulus/Mitral anulusten kaynaklanan semptomatik ventrikuler erken atimlarin basarili kateter ablasyonu

Cardiomyopathy induced by frequent premature ventricular contractions. Arch Pediatr.

Yield of 48-hour Holter monitoring in children with unexplained palpitations and significance of associated symptoms

Furthermore, in patients with MS, outflow tract premature ventricular contractions might be due to a sympathetic over activity state, which may be the inciting mechanism [61].

Proinflammatory Cytokines Are Soluble Mediators Linked with Ventricular Arrhythmias and Contractile Dysfunction in a Rat Model of Metabolic Syndrome. (Research Article)

The patients were grouped according to the number of premature ventricular contractions and presence of complex ventricular arhythmia in the 24-hour rhythm Holter monitor test.

QT dispersion and ventricular arrhythmias in children with primary mitral valve prolapse

There are three clinical forms of OTVA manifestation: 1) paroxysmal sustained monomorphic ventricular tachycardia, 2) repetitive nonsustained ventricular tachycardia or 3) premature ventricular contractions (PVCs).

Differentiating origins of outflow tract ventricular arrhythmias: a comparison of three different electrocardiographic algorithms

The study, published in the Journal of the American Heart Association, found no significant associations between the intake of coffee, tea or chocolate (which contains varying amounts of caffeine) and the hourly rate of premature atrial contractions or premature ventricular contractions. There was also no association with the prevalence of supraventricular tachycardia, an episode in which the heart beats more than 100 times per minute--sometimes as fast as 300 times per minute.

Normal caffeine consumption not associated with extra heartbeats

I'm having a common, yet annoying problem: PVCs or premature ventricular contractions. I've had them on and off for a while, but now every time I push to my limit when exercising or double my espresso, they come back.

The promise and perils of self-monitoring apps

Then, the ECGs were reviewed visually to identify anomalies such as missed beats, premature beats, and changes in wave form, as for example the prolonged QRS complex typical of premature ventricular contractions (see figure 1).

Prevalence of cardiac arrhythmias in a community based chiropractic practice

I was recently diagnosed with premature ventricular contractions (PVCs) but tests show my heart is healthy.

Heart hiccups

Using 24-hr beat-to-beat electrocardiographic data obtained using a high-resolution Holter system, the researchers sumarized the total number of premature ventricular contractions (PVCs) and premature atrial contractions for each 30-min segment.