If your infant or young child has any of these symptoms, ask your child's care provider about SVT screening. They include sweating, poor feeding, pale skin and a rapid pulse. In infants and very young children, signs and symptoms of SVT may be difficult to identify. Weakness or feeling very tired (fatigue).A fluttering or pounding in the chest (palpitations).Signs and symptoms of supraventricular tachycardia may include: Some people with SVT have no signs or symptoms. The fast heartbeat may come and go suddenly, with stretches of typical heart rates in between. The main symptom of supraventricular tachycardia (SVT) is a very fast heartbeat (100 beats a minute or more) that may last for a few minutes to a few days. Nonparoxysmal junctional tachycardia (NPJT).Sinus nodal reentrant tachycardia (SNRT).Other types of supraventricular tachycardia include: Atrial tachycardia doesn't involve the AV node. This type of SVT is more commonly diagnosed in people who have heart disease. It's most commonly diagnosed in younger people.

AVRT is the second most common type of supraventricular tachycardia.

Atrioventricular reciprocating tachycardia (AVRT).

This is the most common type of supraventricular tachycardia.

Atrioventricular nodal reentrant tachycardia (AVNRT).Supraventricular tachycardia (SVT) falls into three main groups: For others, lifestyle changes, medication and heart procedures may be needed to control or eliminate the rapid heartbeats and related symptoms. Most people with supraventricular tachycardia don't need activity restrictions or treatment.

That We May Live by Chen Si'an