While caring for a patient with aortic stenosis, the nurse establishes a nursing diagnosis of acute pain related to decreased coronary blood flow. An appropriate intervention by the nurse is to

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Rest is recommended to balance myocardial oxygen supply and demand and to decrease chest pain. The patient with aortic stenosis requires higher preload to maintain cardiac output, so nitroglycerin and measures to decrease venous return are contraindicated. Anticoagulation is not recommended unless the patient has atrial fibrillation.

While Caring for a Patient with Aortic Stenosis, the Nurse