18. Which of the following is true regarding myocardial bridging of a coronary artery?

A. Myocardial bridging frequently causes stable anginal symptoms

B. Medical therapy with nitrates is effective

C. Myocardial bridging is considered a benign finding and does not commonly cause symptoms

D. Surgical excision of the intramyocardial coronary artery is often required

E. Patients with myocardial bridging should be on beta-blocker therapy since decreasing heart rate and contractility will improve coronary flow in this scenario