Initial Management of Patients Receiving a Single Shock (IMPRESS)

Ventricular Tachycardia Ablation

For the antiarrhythmic naïve patients, the attending physician may initiate therapy with sotalol or amiodarone. For patients already on therapy with sotalol or amiodarone, the attending physician may choose to either increase the dosage/ frequency of these medications and/or add mexiletine to the regimen. Other alterations to medical therapy, such as adjusting the dose of beta-blockers, calcium-channel blockers, anti-hypertensive, diuretic or anti-anginal medications may be performed at the discretion of the attending physician.

All patients will receive this procedure in attempt to induce ventricular tachycardia. The outcome of this procedure determines if a patient will be randomized.