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Pharmacology Cardiovascular system 293c0783

Nitrates decrease myocardial oxygen consumption by all of the following mechanisms EXCEPT:

A
By increasing the left ventricular end diastolic pressure
B
By direct reduction of oxygen consumption of myocardial the cell
C
By dilation of the capacitance vessels
D
By decreasing the size of hea
High-Yield Explanation
Nitrates decrease the ventricular end diastolic pressure by decreasing end-diastolic ventricular volume they cause venodilation, decreases oxygen consumption by hea and en diastolic pressure They are mainly useful in treating angina. REF.Essentials of Pharmacology KD Tripathi 8th ed.
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