When to get a stress test? - Cardiologist talks about symptoms to look out for

Former president George W. Bush was released Thursday from the hospital after having heart surgery.
Doctors discovered a blockage after performing a stress test at his annual physical, which came back abnormal.
A stress test, or exercise stress test, is used to gather information about how well your heart works during physical activity.
Dr. Greg Giugliano, Director of heart and vascular research and the interim director of the cath lab at Baystate Medical Center tells us when you should talk to your doctor about having a stress test.