Common Cardiac Medications: ACE Inhibitors

Common Cardiac Medications: ACE Inhibitors

With the wide variety of cardiac conditions that have become common, it is very likely you will come across a number of cardiac medications. This article is the first in a series that will focus on the three most common medications with cardiac-specific mechanisms of action, ACE Inhibitors, Calcium Channel Blockers, and Beta Blockers.

You can access information on the other two types here:

Calcium Channel Blockers

Beta Blockers

How ACE Inhibitors Work

ACE Inhibitors (angiotensin converting enzyme inhibitors) are blood pressure medications that work by expanding blood vessels by preventing the conversion of angiotensin I to angiotensin II, as their name suggests. When these blood vessels are widened, the workload of the heart decreases, the volume of blood the heart pumps increases, and overall blood pressure decreases.

The Drug Names

The generic forms of these drugs usually end in -pril and they come in various brand names:

Generic Commonly-Used Brand Name
Lisinopril Prinivil™, Zestril™
Captopril Capoten™, Captoril™
Benazopril Lotensin™

Dosage and Monitoring

The dosages for these medications vary, but they usually are oral pills that patients can take easily at home. Patients should monitor their blood pressure while taking these medications, and some patients may need to have their kidney function tested.

Side Effects

The most common side effect of ACE Inhibitors is a dry, non-productive cough. ACE Inhibitors will also cause the patient to retain potassium, so patients should be careful with sodium and potassium supplements, which will add to the buildup of these elements in the body. Too much potassium can be life threatening.

Common Cardiac Med Ace Inhibitors

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