This can happen because the body activates its stress response during a serious cardiac event.
What to watch for: Cold sweating accompanied by chest discomfort, shortness of breath, nausea, or lightheadedness requires emergency medical assessment.
Sweating alone does not necessarily indicate a heart attack, but sudden unexplained sweating combined with other symptoms should never be ignored.
Nausea, Vomiting, or Indigestion-Like Discomfort
Some people experience nausea, vomiting, upper abdominal discomfort, or a sensation similar to heartburn during a heart attack.
These symptoms may be mistaken for food poisoning, acid reflux, or an upset stomach. This is one reason heart attacks can sometimes go unrecognized.
Women may experience these symptoms alongside fatigue, back discomfort, or shortness of breath, although symptoms vary considerably among
individuals.
What to watch for: Unexplained nausea or indigestion-like discomfort accompanied by chest pressure, cold sweating, breathlessness, or pain in the arm or jaw may signal a heart attack.
