Paroxysmal supraventricular tachycardia (PSVT) is a type of abnormal heart rhythm, or arrhythmia. It occurs when a short circuit rhythm develops in the upper chamber of the heart. This results in a …

Oct 30, 2025 · Paroxysmal Supraventricular Tachycardia (PSVT) PSVT is a type of arrhythmia. It causes a fast heart rate and other symptoms, like chest discomfort, heart palpitations, shortness of breath …

Aug 6, 2024 · Paroxysmal supraventricular tachycardia (PSVT) is when your fast heartbeat starts in the upper, or supraventricular, chambers of the heart. It’s also known as supraventricular tachycardia. …

Paroxysmal supraventricular tachycardia is a type of arrhythmia that originates in the atrioventricular (AV) junction. The most common underlying anatomical cause of PSVT is atrioventricular nodal …

Mar 7, 2024 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers. SVT also is …

Dec 1, 2025 · The U.S. Food and Drug Administration (FDA) has approved Cardamyst™ (etripamil) nasal spray to treat adults with paroxysmal supraventricular tachycardia (PSVT). This rapid-acting, …

Paroxysmal supraventricular tachycardia (also called reentrant supraventricular tachycardia) is a regular, fast (160 to 220 beats per minute) heart rate that begins and ends suddenly and originates in heart …

PSVT is an arrhythmia marked by sporadic periods of rapid heart rate that begin and end suddenly. It starts in the heart’s top chambers (atria). While PSVT usually does not threaten your life if you have …

Dec 31, 2024 · Paroxysmal supraventricular tachycardia (paroxysmal SVT) is an episodic condition with an abrupt onset and termination. (See Etiology and Presentation.) SVT in general is any …

Paroxysmal supraventricular tachycardia (PSVT) is episodes of a rapid heart rate that start in a part of the heart above the ventricles. "Paroxysmal" means from time to time. Normally, the chambers of the …