Myocardial Infarction & Peripheral Vascular Diseases Q 8 - Gyan Darpan : Learning Portal
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Monday 25 April 2022

Myocardial Infarction & Peripheral Vascular Diseases Q 8

Captopril may be administered to a client with HF because it acts as a:
     A. Vasopressor
     B. Volume expander
     C. Vasodilator
     D. Potassium-sparing diuretic

Correct Answer: C. Vasodilator

ACE inhibitors have become the vasodilators of choice in the client with mild to severe HF. Vasodilator drugs are the only class of drugs clearly shown to improve survival in overt heart failure. ACEi improves heart failure by decreasing afterload. Apart from decreasing the afterload, it also reduces cardiac myocyte hypertrophy. The Heart Outcomes Prevention Evaluation (HOPE) Study demonstrated better outcomes for those prescribed ACE inhibitors.

Option A: In 2014, the Eighth Joint National Commission (JNC8) published evidence-based guidelines for the treatment of high blood pressure in adults, which recommended that ACE inhibitors are one of four drug classes recommended for initial therapy for adults with elevated blood pressure.
Option B: Current recommendations are the use of ACEi or ARB as first-line therapy for hypertension in patients with a history of diabetes. Also, the use of ACEi in diabetic hypertensive patients with no history of coronary heart disease has shown to decrease the incidence of myocardial infarction and improved heart function.
Option D: The other three classes of drugs are calcium channel blockers, thiazide diuretics, and angiotensin receptor blockers, which are useful as initial therapy for the general nonblack population. Only thiazide and calcium channel blockers are recommended as initial therapy for the general black population with elevated blood pressure.

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