QT prolongation is caused by:-
Drugs causing QT prolongation are: Cisapride Astemizole Terfanidine Class 1A anti-arrythmic drugs: Quinidine, Procainamide. Class 3 anti-arrythmic drugs: Bretylium, Ibutilide
Quinidine
Omeprazole
Lidocaine
Penicillin
Hypeension, Arrhythmias, Dyslipidemia