<P> Myocardial infarction ( MI ) , commonly known as a heart attack , occurs when blood flow decreases or stops to a part of the heart , causing damage to the heart muscle . The most common symptom is chest pain or discomfort which may travel into the shoulder , arm , back , neck , or jaw . Often it occurs in the center or left side of the chest and lasts for more than a few minutes . The discomfort may occasionally feel like heartburn . Other symptoms may include shortness of breath , nausea , feeling faint , a cold sweat , or feeling tired . About 30 % of people have atypical symptoms . Women more often have atypical symptoms than men . Among those over 75 years old , about 5 % have had an MI with little or no history of symptoms . An MI may cause heart failure , an irregular heartbeat , cardiogenic shock , or cardiac arrest . </P>
<P> Myocardial infarction ( MI ) , commonly known as a heart attack , occurs when blood flow decreases or stops to a part of the heart , causing damage to the heart muscle . The most common symptom is chest pain or discomfort which may travel into the shoulder , arm , back , neck , or jaw . Often it occurs in the center or left side of the chest and lasts for more than a few minutes . The discomfort may occasionally feel like heartburn . Other symptoms may include shortness of breath , nausea , feeling faint , a cold sweat , or feeling tired . About 30 % of people have atypical symptoms . Women more often have atypical symptoms than men . Among those over 75 years old , about 5 % have had an MI with little or no history of symptoms . An MI may cause heart failure , an irregular heartbeat , cardiogenic shock , or cardiac arrest . </P>
st segment elevation myocardial infarction signs and symptoms
st segment elevation myocardial infarction signs and symptoms
chest pain or discomfort which may travel into the shoulder , arm , back , neck , or jaw shortness of breath , nausea , feeling faint , a cold sweat , or feeling tired
chest pain or discomfort which may travel into the shoulder , arm , back , neck , or jaw shortness of breath , nausea , feeling faint , a cold sweat , or feeling tired