What you know about SUPRAVENTRICULAR TACHYCARDIA

SUPRAVENTRICULAR TACHYCARDIA (SVT)? is a common abnormality you will encounter in training. It is commonly associated with a rentrant loop (large “macro” or small “micro”) that allows rapid conduction from the atrium to the ventricle. .

Most commonly SVTs are narrow complex regular tachycardia. The most common SVT is sinus tachycardia! When most people think of SVTs they think of AVNRT (Short RP tachycardia) and AVRT (wolf Parkinson’s white syndrome).

SVTs are managed by recognizing the rhythm on a 12 lead EKG with a narrow complex tachycardia (usually with rates >150 bpm). SVTs more commonly occur in people with structural normal hearts (however not always true i.e congenital heart disease) and are often treated with AV nodal blockers like beta blockers, CCBs, and adenosine. SVTs are very treatable with procedures called ablations so don’t be afraid to consult your neighborhood Electrophysiologists! .

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