Table 2

Culprit Drugs

Drug TypeNo. of Patients
Antiarrhythmic drugs
 Quinidine35
 Sotalol28
 Dofetilide9
 Procainamide8
 Disopyramide7
 Amiodarone3
 Others/combined AADs11
Nonantiarrhythmic drugs
 Trimethoprim-sulfamethoxazole4
 Phenothiazines3
 Haloperidol3
 Fluconazole/itraconazole3
 Cisapride2
 Pentamidine2
 Lithium1
 Terfenadine1
 Clarithromycin1
 Others/combined drugs2

AADs = antiarrhythmic drugs.