The nurse is caring for a client who is experiencing an increase in cardiac contractility. Which of the following will decrease contractility and reduce myocardial oxygen demand for this client?
1. Administer Primacor as prescribed.
2. Administer Digoxin as prescribed.
3. Administer beta-blocker as prescribed.
4. Administer potassium chloride as prescribed.
3
Medications such as beta-blockers and calcium channel blockers will reduce myocardial oxygen demand, decreasing cardiac contractility. Medications such as Primacor, Digoxin, and potassium chloride will increase cardiac contractility.
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