Symptoms of a heart attack may widely vary, from the classic "elephant on the chest" feeling of crushing pain, to the nausea and heartburn mistaken for indigestion. In some patients, the symptoms may only be sudden fatigue or an oppressive feeling of impending doom.
Update Date 7/16/2011
Updated by: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington, Clinic. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.