Sparfloxacin and astemizole can cause:
Correct Answer: Ventricular arrhythmia
Description: Ans. (A) Ventricular arrhythmia(Ref: KDT 8/e p764)Both sparfloxacin and astemizole blocks cardiac K+ channels in high concentration. This property may result in torsades de pointes (polymorphic ventricular tachycardia).Other drugs causing torsades de pointes are:TerfenadineCisaprideZiprasidoneGrepafloxacin
Category:
Pharmacology
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