Question 10#

Which one of these drugs does not prolong the QT interval?

A. Amiodarone
B. Erythromycin
C. Carbemazpine
D. Clozapine
E. Methadone

Correct Answer is C


The other drugs mentioned are all well known to cause QT prolongation and should be avoided in people with long QT syndrome. Sometimes this is difficult and a risk–benefit decision needs to be made. A full list of drugs known to cause QT prolongation can be found at