When a patient develops supraventricular tachycardia with hy

When a patient develops supraventricular tachycardia with hypotension under general anaesthesia, all of the following treatments may be instituted except
a. Carotid sinus massage
b. Adenosine 3-12 mg IV
c. Direct current cardioversion
d. Verapamil 5 mg IV

Ans: d. Verapamil 5 mg IV