Disopyramide in HCM – Cardiology MCQ
Disopyramide is a class Ia antiarrhythmic agent which can be used in hypertrophic obstructive cardiomyopathy when beta blockers alone are ineffective. Pick out the WRONG statement regarding disopyramide in this context:
a) Regular monitoring of QTc is recommended during dose up titration
b) Has a risk of fast ventricular rate in those prone for atrial fibrillation
c) Should not be used in combination with verapamil
d) Should not be combined with other drugs which prolong the QT interval like amiodarone and sotalol
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Johnson Francis
Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal
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B
C
B is wrong, it is class I a drug, blocks accessory pathway.