QT prolongation is seen in all, except:
High-Yield Explanation
Answer is B (Digitalis toxity) QT interval is shoened in digitalis toxity and not prolonged QT interval Is measured from the beginning of Q wave to the end of T wave Q It is the time taken for total ventricular events i.e. depolarization as well as repolarization 2 Normal QT interval should not exceed 42 seconds