The adverse effects experienced are similar to those with use of adenosine. While adverse effects are less frequent with dipyridamole (47% of patients), they tend to be more serious than those associated with adenosine. The most common adverse effects of dipyridamole are chest pain (19%), headache (12%), and hypotension (4.6%). In addition, 12% of patients require aminophylline for reversal of adverse effects.
A stress test provides an insight to the degree of exercise a patient can safely tolerate as many doctors want their patients to exercise as part of the treatment regimen. Also, based on stress test results enables a doctor/surgeon to evaluate if the patient's condition is able to successfully (benefit/risk) meet surgical stress if an operation is planned or future events make necessary.