Contraction

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Related to premature ventricular contraction: premature atrial contraction

Contraction

In a business cycle, the time between the peak and the bottom. That is, a contraction occurs between the end of economic growth and the end of the subsequent recession. Contractions are characterized by layoffs, a decline in GDP, and other negative factors. However, historically, contractions have tended not to last as long as expansions.
References in periodicals archive ?
ss) Includes one case of acute myocaridal infarction, one case of respiratory distress, one case of coronary artery disease, one case of angina, one case of persistent fatigue, one case of premature ventricular contractions and four cases of headache.
Holter-monitoring data showed that the 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.
Kwon notes that palpitations may be signs of ectopic heartbeats, such as premature ventricular contractions (PVC) and premature atrial contractions (PAC).
In addition, most cardiac monitors will include premature ventricular contractions (PVCs) or other abnormal beats when calculating heart rate.
Other new rhythms identified included ectopic atrial rhythm (in six patients), premature ventricular contractions (in five), sinus block with first-degree atrioventricular block (in four), junctional rhythms (in three), ST-segment depression (in two), and second-degree atrioventricular block (in two).
Dobutamine was associated with a significant increase in the number of premature ventricular contractions and repetitive beats; nesiritide was linked to significant decreases in these abnormalities.
Upon arrival of the ambulance, he was noted to have multifocal premature ventricular contractions, and was administered lidocaine 75 mg intravenously and placed on oxygen.
Fewer patients experienced clinically significant premature ventricular contractions after receiving PROVACEL as compared to placebo across all time points (11% vs.
Background: Premature ventricular contractions (PVCs) are common in the general population, and frequent PVCs may result in the poor quality of life or even the damage of cardiac function.

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