Important Information on Myocardial Infarction

Signs and Symptoms of Myocardial Infarction

One of the primary signs of a myocardial infarction is chest pain that may also spread to the back, shoulders, arms, neck, or jaw. Other symptoms include:
  • Shortness of breath
  • Nausea
  • Sweating
  • Dizziness.
Symptoms can vary. In fact, some people have no symptoms at all. However, it is important to recognize the signs of a myocardial infarction so that you can act fast to get treatment.
Unfortunately, many myocardial infarction victims wait two hours or more after their symptoms begin before they seek medical help. This delay can result in death or lasting heart damage.
The amount of damage from a myocardial infarction depends on how much of the heart is affected, how soon treatment begins, and other factors.

Diagnosis and Treatment

Diagnosis and treatment of a myocardial infarction can begin when emergency medical personnel arrive after you call 911. At the hospital emergency room, doctors will work fast to find out if you are having or have had a myocardial infarction and give you treatment.
If you are having a myocardial infarction, doctors will work quickly to restore blood flow to the heart and continuously monitor vital signs to detect and treat complications.
Long-term treatment after a myocardial infarction may include:


After a myocardial infarction, most people are able to return to their normal activities. Ask your doctor when you should return to:
  • Driving
  • Physical activity
  • Work
  • Sexual activity
  • Strenuous activities
  • Air travel.
If you have had a myocardial infarction, it is important to have an emergency action plan in case it happens again. Talk to your doctor about your plan, and make sure that your family members understand it.
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