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2. Myocardial infarction - Wikipedia

   en.wikipedia.org/wiki/Myocardial_infarction

   Myocardial infarction; Other names: Acute myocardial infarction (AMI), heart attack: A myocardial infarction occurs when an atherosclerotic plaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, causing catastrophic thrombus formation, totally occluding the artery and preventing blood flow downstream to the heart muscle.

3. Coronary artery disease - Wikipedia

   en.wikipedia.org/wiki/Coronary_artery_disease

   Usually symptoms occur with exercise or emotional stress, last less than a few minutes, and improve with rest. [4] Shortness of breath may also occur and sometimes no symptoms are present. [4] In many cases, the first sign is a heart attack. [5] Other complications include heart failure or an abnormal heartbeat. [5]

4. This Is the Early Heart Attack Symptom That's Missed ... - AOL

   www.aol.com/early-heart-attack-symptom-thats...

   "Shortness of breath is a commonly missed early symptom of a heart attack, and it can occur with or without chest discomfort," she explains. Dr. Max Brock, MD, a cardiologist at Cook, echoes this.

5. Knowing These Surprising (and Subtle) Signs of a Heart Attack ...

   www.aol.com/lifestyle/knowing-surprising-subtle...

   “The heart sits right on top of the esophagus in the stomach, so sometimes heartburn can feel like a heart attack, and a heart attack can feel like heartburn,” says Dr. Michos.

6. What Causes a Heart Attack? - AOL

   www.aol.com/causes-heart-attack-140000540.html

   A heart attack, medically known as a myocardial infarction, happens when something blocks the blood flow in an artery (blood vessel) that feeds the heart. This lack of blood flow to the heart ...

7. Coronary ischemia - Wikipedia

   en.wikipedia.org/wiki/Coronary_ischemia

   Coronary ischemia, myocardial ischemia, [1] or cardiac ischemia, [2] is a medical term for abnormally reduced blood flow in the coronary circulation through the coronary arteries. [3] Coronary ischemia is linked to heart disease, and heart attacks. [4] Coronary arteries deliver oxygen-rich blood to the heart muscle. [5]