Supraventricular tachycardia (SVT)
Open all pages about Supraventricular tachycardia (SVT)
Supraventricular tachycardia is caused by a problem with the electrical system that controls your heartbeat.
The main symptom of supraventricular tachycardia is your heart suddenly beating faster than usual for a few minutes or sometimes several hours.
Things like avoiding caffeine and alcohol can help with supraventricular tachycardia. Medicines or a heart procedure may be needed if it's severe.
Supraventricular tachycardia is a condition where your heart suddenly beats much faster than normal.
Page last reviewed: 27/04/2021
Next review due: 27/04/2024