Successful Treatment of Long QT Syndrome-Induced Ventricular Tachycardia with Esmolol

Esmolol is a cardioselective beta-blocker with very rapid onset of action and short half-life due to its metabolism by blood-borne esterases. This unique profile among currently available beta-blockers renders esmolol highly useful in critical care situations. However, published experience with the use of esmolol in critically ill children is scant. The case of a 4-year-old boy with secondary long QT syndrome and ventricular tachycardia successfully treated with esmolol is presented.