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A member asked:
Does nitroglycerin reduce o2 requirements of the myocardium?
A doctor has provided 1 answer
Yes: There are 3 major determinants of myocardial oxygen consumption- heart rate , arterial pressure and myocardial contractility . Nitroglycerin supposedly works by reducing arterial pressure by direct means and decreasing venous return as long as the heart rate is not accelerated.
Answered 6/30/2014
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