The nurse is caring for a client with coronary artery disease.What assessment finding does the nurse expect if the client's mean arterial blood pressure decreases below 60 mm Hg?

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Coronary artery blood flow occurs primarily during diastole.Mean arterial pressure (MAP)of 60 mg Hg is necessary for adequate blood flow to coronary arteries,and MAP of 60 to 70 mm Hg is necessary for adequate perfusion to major body organs.If MAP decreases to below 60 mm Hg,the client with cardiac disease may have chest pain.Cardiac output most likely would decrease,and blood pressure also would decrease.Heart rate may increase as the body initiates compensatory mechanisms.

The Nurse Is Caring for a Client with Coronary Artery