A heart attack is a common but serious health condition that takes place when the flow of blood to the heart is severely reduced or blocked. This is primarily caused by the buildup of fat, cholesterol ...

Various 'stress tests' appear on the specialist exam. Valsalva maneuver Handgrip exercise Exercise stress Dobutamine stress ...

Every year, people walk out of their doctor's office after a normal stress test feeling completely reassured - only to have a heart attack weeks later. That's not a rare fluke. It's a predictable gap ...