What is the role of nitrates in the treatment of acute coronary syndrome (ACS)?

Updated: Sep 30, 2020
  • Author: David L Coven, MD, PhD; Chief Editor: Eric H Yang, MD  more...
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Answer

Nitrates do not improve mortality. [61] However, they provide symptomatic relief by means of several mechanisms, including coronary vasodilation, improved collateral blood flow, decrease in preload (venodilation and reduced venous return), and decrease in afterload (arterial vasodilation). Care should be taken to avoid hypotension, because this can potentially reduce coronary perfusion pressure (diastolic BP - LV diastolic pressure).


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