beforehand, while others do not.
The most important warning signs include chest discomfort, shortness of breath, unexplained weakness or dizziness, cold sweating, nausea, and pain or discomfort in the arms, shoulders, back, neck, or jaw.
Do not wait for all six symptoms to appear. A person having a heart attack may experience only one or two.
When symptoms are sudden, severe, unexplained, or strongly suggest a heart attack, treat the situation as an emergency. Acting quickly can protect heart muscle—and potentially save a life.
