Supraventricular tachycardia

Supraventricular tachycardia (SVT), also called paroxysmal supraventricular tachycardia, is defined as an abnormally fast heartbeat. Its a broad term that includes many forms of heart rhythm problems (heart arrhythmias) that originate above the ventricles (supraventricular) in the atria or AV node.

Types:

·         Atrial tachycardia

·         Atrioventricular nodal reentry tachycardia (AVNRT)

Symptoms:

Signs and symptoms of supraventricular tachycardia may include:

• A fluttering in chest
• Rapid heartbeat (palpitations)
• Shortness of breath
• Lightheadedness or dizziness
• Sweating
• A pounding sensation in the neck
• Fainting (syncope) or near fainting.

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