A 49-year-old male presents reporting chest pain. EKG reveals ST elevation. He is diagnosed with myocardial ischemia. Which of the following interventions would be most beneficial?
a. Administer a diuretic to decrease volume.
b. Apply oxygen to increase myocardial ox-ygen supply.
c. Encourage exercise to increase heart rate.
d. Give an antibiotic to decrease infection.
ANS: B
Increasing the myocardial oxygen supply is indicated to treat ischemia. A decrease in fluid vol-ume is not appropriate. Heart rate should be decreased to decrease cardiac workload. Antibiotics are not the most beneficial; oxygen is.
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