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About 2.3 per 1000 people have paroxysmal supraventricular tachycardia. [5] Problems typically begin in those 12 to 45 years old. [3] [5] Women are more often affected than men. [3] Outcomes are generally good in those who otherwise have a normal heart. [3] An ultrasound of the heart may be done to rule out underlying heart problems. [1]
Supraventricular tachycardia (SVT) is an umbrella term for fast heart rhythms arising from the upper part of the heart. [2] This is in contrast to the other group of fast heart rhythms – ventricular tachycardia, which start within the lower chambers of the heart. [2]
The cause of this condition is not accurately known, though it is probably of nervous origin and can be aggravated by physical wear and tear. The symptoms are sometimes very alarming but it is not considered in itself dangerous. [citation needed] It has an increased risk of developing in WPW syndrome and LGL syndrome. [4]
The sample of 186,425 American adults is a snapshot of the US population, representative of roughly 150 million people. More than half the participants were women, and about one-third were non-white.
Women may be more aware of PVCs at the time of the menstrual period. [ 2 ] Premature ventricular contractions may be associated with underlying heart disease, and certain characteristics are therefore elicited routinely: the presence of signs of heart disease or a known history of heart disease (e.g. previous myocardial infarction ), as well as ...
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~7% of people in cardiac arrest [2] Ventricular tachycardia ( V-tach or VT ) is a cardiovascular disorder in which fast heart rate occurs in the ventricles of the heart . [ 3 ] Although a few seconds of VT may not result in permanent problems, longer periods are dangerous; and multiple episodes over a short period of time are referred to as an ...