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Topics Replies Last Post
Two Timer Club? 
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Heart Attack Changed My Partner ... 
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Newbie 
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Heart Attack at 26 
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Defibrillator 
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herbal remedies 
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Heart Attack Information

Acute myocardial infarction (AMI or MI), commonly known as a heart attack, is a serious, sudden heart condition usually characterized by varying degrees of chest pain or discomfort, weakness, sweating, nausea, vomiting, and arrhythmias, sometimes causing loss of consciousness. It occurs when the blood supply to a part of the heart is interrupted, causing death and scarring of the local heart tissue. Since the area affected may be large or small, the severity of heart attacks vary, but they are often a life-threatening medical emergency which demand both immediate attention and activation of the emergency medical services.

Diagnosis is by the combination of medical history, ECG findings and blood tests for cardiac enzymes. The most important treatment in myocardial infarction is restoring the blood flow to the heart, by thrombolysis (enzymatically dissolving the clot in the artery) and/or angioplasty (using a balloon to push the artery open). Close monitoring on a coronary care unit is mandatory to observe for various complications. There is emphasis on secondary prevention, the elimination of risk factors that could lead to further heart attacks.

The medical term myocardial infarction derives from myocardium (the heart muscle) and infarction (tissue death), in this case caused by an obstruction of blood flow. The phrase "heart attack" is occasionally used to refer to heart problems other than a myocardial infarction, such as unstable angina pectoris.

Health Blogs

On Sharecare we’re keeping you in the know about essential health info. Find out why it’s never too late to get heart healthy, the dangers of skipping childhood vaccinations, easy ways to avoid weight-gain this football season and more. Check out five of our latest posts.
  1. Do you smoke cigarettes, watch a lot of TV or indulge ... Read More »
It appears all was not well with the procedure done on Joan Rivers that eventually led to her death two weeks ago. An ongoing investigation into the circumstances surrounding her cardiac arrest during a vocal cord procedure has revealed several irregularities that may have contributed to the fatal complication. Apparently the procedure was ... Read More »
This week on Sharecare we give you: permission to eat sweet treats, parenting advice from our resident ER expert, smart ways to take care of your contact lenses and more. Check out five of our latest posts. 1. Indulging in sweet treats like ice cream and pie can certainly make you pack on pounds. Keep your waistline trim and your taste buds ... Read More »

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Community Advisors
Dr. Erminia Guarneri
Cardiologist,
Healthy Humans
Anthony Komaroff, MD
Internal Medicine

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