Ciprofloxacin-Induced Cardiac Arrest

Polymorphic ventricular tachycardia in the form of torsade des pointes occurred in a patient on chronic therapy with amiodarone and a baseline prolonged QT interval, only when ciprofloxacin was added for treatment of urinary tract infection and did not recur after discontinuation of the antibiotic.   Key Words: polymorphic ventricular tachycardia; torsade des pointes; ciprofloxacin; acquired long QT syndrome; amiodaron