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Cardiology MCQ 59: Coronary no-reflow

Q. Which of the following agent is not used for treatment of coronary no-reflow?
A. Nicardipine
B. Adenosine
C. Nitroglycerine
D. Verapamil
E. Nitroprusside

Answer: C. Nitroglycerine

Explanation:
The intracoronary agents used for treatment of coronary no-reflow include-
A. Adenosine (For RCA 18-24 mcg, LCA 24-36 mcg)
B. Sodium nitroprusside (100 mcg)
C. Nicardipine (200 mcg)
D. Diltiazem (1 mg)
E. Verapamil (100-200 mcg)
Adenosine can also be given by intravenous route in 140-180 mcg/kg/min dose.

Nitroglycerin is used for treatment of coronary vasospasm. It is primarily an epicardial vasodilator, and should not be used in situations like no-reflow where small vessel (arteriolar) dilation is required.
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