Supraventricular tachycardia

abnormally fast heart rhythm arising from improper electrical activity in the upper part of the heart

Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm caused from improper electrical activity in the upper part of the heart.[1]

There are four main types: atrial fibrillation, paroxysmal supraventricular tachycardia (PSVT), atrial flutter, and Wolff–Parkinson–White syndrome.

Symptoms may include palpitations, feeling faint, sweating, shortness of breath, or chest pain.[2]

References

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  1. "Types of Arrhythmia". NHLBI. July 1, 2011. Archived from the original on June 7, 2015.
  2. "What Are the Signs and Symptoms of an Arrhythmia?". NHLBI. July 1, 2011. Archived from the original on 19 February 2015. Retrieved 27 September 2016.