Which of the following changes will cause an increase in myocardial O2 consumption?
A. Decreased aortic pressure
B. Decreased contractility
C. Decreased heart rate
D. Increased size of the heart
Answer:D
Which of the following changes will cause an increase in myocardial O2 consumption?
A. Decreased aortic pressure B. Decreased contractility C. Decreased heart rate D. Increased size of the heart