The physical therapist notifies the nurse that a patient with coronary artery disease (CAD) experiences an increase in heart rate during physical therapy at the bedside

The nurse recognizes that an increase in heart rate in a patient with CAD may result in what?
A) Increased myocardial perfusion
B) Myocardial ischemia
C) Formation of a pulmonary embolism
D) Electrolyte imbalances


Ans: B
Feedback: Unlike other arteries, the coronary arteries are perfused during diastole. An increase in heart rate shortens diastole and can decrease myocardial perfusion. Patients, particularly those with CAD, can develop myocardial ischemia. An increase in heart rate will not form a pulmonary embolism or create electrolyte imbalances.

Nursing

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Nursing