Which pathophysiological concept should the nurse consider when developing a plan of care for a patient with myocardial ischemia?
A) There is a decrease in the amount of oxygen and glucose reaching the myocardium.
B) There is a lack of oxygen reaching the myocardium, but the supply of glucose is adequate.
C) There is a lack of glucose reaching the myocardium, but the supply of oxygen is adequate.
D) There is a complete lack of both oxygen and glucose reaching the myocardium.
A) There is a decrease in the amount of oxygen and glucose reaching the myocardium.
Explanation: A) A decrease in blood flow to the myocardium means that there is a decrease in the amount of oxygen and glucose to the heart muscle. A related term is hypoxia, which refers to a lack of oxygen to tissue. This can occur from disruptions of the respiratory system.
B) A decrease in blood flow to the myocardium means that there is a decrease in the amount of oxygen and glucose to the heart muscle. A related term is hypoxia, which refers to a lack of oxygen to tissue. This can occur from disruptions of the respiratory system.
C) A decrease in blood flow to the myocardium means that there is a decrease in the amount of oxygen and glucose to the heart muscle. A related term is hypoxia, which refers to a lack of oxygen to tissue. This can occur from disruptions of the respiratory system.
D) A decrease in blood flow to the myocardium means that there is a decrease in the amount of oxygen and glucose to the heart muscle. A related term is hypoxia, which refers to a lack of oxygen to tissue. This can occur from disruptions of the respiratory system.
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