As most of us would agree - Stress is a part of everyday life. It shouldn't be, but it is. And for many busy, working adults, stress mounts daily. So why do we need to have a stress test and what would it prove? Experience one part of A Day in the Life of a cardiologist as Dr. Lim Bee Chian, consultant cardiologist at Sunway Medical Centre, conducts a stress test for a patient who has some concerns.