Indications And Usage Disopyramide Phosphate Is Indicated For The Treatment Of Documented Ventricular Arrhythmias, Such As Sustained Ventricular Tachycardia, That, In The Judgment Of The Physician, Are Life-Threatening. Because Of The Proarrhythmic Effects Of Disopyramide Phosphate, Its Use With Lesser Arrhythmias Is Generally Not Recommended. Treatment Of Patients With Asymptomatic Ventricular Premature Contractions Should Be Avoided. Initiation Of Disopyramide Phosphate Treatment, As With Other Antiarrhythmic Agents Used To Treat Life-Threatening Arrhythmias, Should Be Carried Out In The Hospital. Antiarrhythmic Drugs Have Not Been Shown To Enhance Survival In Patients With Ventricular Arrhythmias.
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