Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management



Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter, Ectopic Atrial Tachycardia, Ectopic Junctional

Irregular SVT: Atrial Fibrillation, MAT, Sinus Tachycardia w/ PACs, AFIb w/ variable block

MANAGEMENT:

Modified Valsalva Maneuver:

1) Obtain 10cc saline flush and empty

2) Place patient in semi-recumbent position

3) Ask patient to blow into plunger for 15s

4) Lie patient flat and raise legs to 45° for 15s

Borderline BP: Amiodarone, Digoxin

Normotensive: Beta-Blocker (Metoprolol), CCB (Diltiazem, Verapamil)



Sophia Hayes MD @Sophia_Hayes_MD



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