Supraventricular tachycardia (SVT) is a heart rhythm disorder that originates in the heart’s upper chambers, called the atria. The primary symptom of SVT is a rapid heartbeat. There are several types ...

Sometimes, doctors don't know what sets off the racing, thumping heartbeat caused by supraventricular tachycardia (SVT). What they do know for certain: It starts in the upper chambers of your heart ...

Supraventricular tachycardia is a term used to describe any heart rhythm that is greater than 100 beats per minute originating from above the AV node (the atrium). The term “SVT” can be confusing at ...

Dr. Steve Hammill answers the question: 'What Is Sinus Tachycardia?' — -- Question: What is sinus tachycardia, and is it something that should be treated? Answer :Sinus tachycardia is the heart ...

EXETER, UK — Patients with supraventricular tachycardia (SVT) treated with a modified Valsalva maneuver are nearly four times more likely to return to normal sinus rhythm than individuals treated with ...

When you have supraventricular tachycardia, your heart's electrical system sometimes makes it beat faster than normal. You can have a bout of SVT even when you're not stressed out or exercising hard.

Self-treatment of acute paroxysmal supraventricular tachycardia (SVT) with a nasal spray containing a short-acting calcium-channel blocker is likely to be possible with a high rate of conversion to ...

In the REVERT trial, 433 patients who presented to the emergency department in England with supraventricular tachycardia were randomly assigned to undergo either a standard or a modified ...

Supported by a grant (HE 12373) from the Public Health Service and a grant from the San Diego County Heart Association. We are indebted to Dr. David B. Carmichael, who referred the patient for ...

It comes on suddenly. Seventy-two beats a minute become 120…180…200 beats in only seconds. The rapid heartbeat makes it hard to breathe and causes nausea and ...

PAT is a type of arrhythmia characterized by a sudden, rapid heartbeat originating in the upper chambers of the heart, with the heart rate potentially reaching up to 250 bpm. While the exact cause of ...