SUPRAVENTRICULAR TACHYCARDIA

Course overview

SUPRAVENTRICULAR TACHYCARDIA (SVT) IS A DYSRHYTHMIA ORIGINATING AT OR ABOVE THE ATRIOVENTRICULAR (AV) NODE AND IS DEFINED BY A NARROW COMPLEX (QRS < 120 MILLISECONDS) AT A RATE > 100 BEATS PER MINUTE (BPM). ATRIOVENTRICULAR NODAL REENTRANT TACHYCARDIA (AVNRT), ALSO KNOWN AS PAROXYSMAL SVT, IS DEFINED AS INTERMITTENT SVT WITHOUT PROVOKING FACTORS, AND TYPICALLY PRESENTS WITH A VENTRICULAR RHYTHM OF 160 BPM. THIS ACTIVITY DESCRIBES THE CAUSE, PATHOPHYSIOLOGY, AND PRESENTATION OF SVT AND STRESSES THE IMPORTANCE OF AN INTERPROFESSIONAL TEAM IN ITS MANAGEMENT.