Sunday, October, 25, 2009
Psvt
Health Encyclopedia: Paroxysmal Supraventricular Tachycardia (Psvt)
Definition
Paroxysmal supraventricular tachycardia (PSVT) is a rapid heart rate, which occurs from time to time (paroxysmal). PSVT starts with events taking place above the ventricles.
Alternative Names
PSVT; Supraventricular tachycardia
Causes, incidence, and risk factors
Normally, the chambers of the heart (atria and ventricles) contract in a coordinated manner. The contractions are caused by an electrical signal that begins in the sinoatrial node (also called the ...
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Expert & Community Posts
By Dr. Larry Weinrauch
,
Health Expert
...attackā.Paroxysmal atrial tachycardia, also called PAT or PSVT, most often stops as quickly as...
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Health Guide
......a preventive (prophylactic) treatment in people at a high risk or who have had previous episodes of
PSVT.
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...... Note: Symptoms may start and stop suddenly, and can last for a few minutes or several hours. A
PSVT lasting more than 50% of the day is considered an incessant
PSVT. Signs and tests ...
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......or there are underlying cardiac disorders, treatment may be necessary. People having an episode of
PSVT can try to interrupt the episode with a Valsalva maneuver. This consists of holding the...
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A physical examination and medical and personal history is essential. Because anxiety accompanies so many medical conditions, some serious, it is extremely important for the doctor to...
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...an early heartbeat preceding the next regular heartbeat. Supraventricular tachycardia (
SVT): The heart rate is increased after a succession of continual beats in the atria. ...
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