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A heart attack is a potentially life-threatening medical emergency that can lead to cardiac arrest or death. Heart attacks are common, too, with an estimated 805,000 people in the United States ...
The chances for surviving a heart attack depend on receiving immediate and timely care," she explains, adding that 80 percent of heart attacks can be prevented by taking healthy lifestyle measures.
[28] [29] The pain most suggestive of an acute MI, with the highest likelihood ratio, is pain radiating to the right arm and shoulder. [30] [29] Similarly, chest pain similar to a previous heart attack is also suggestive. [31] The pain associated with MI is usually diffuse, does not change with position, and lasts for more than 20 minutes. [24]
Levine's sign is a clenched fist held over the chest to describe ischemic chest pain. [1]It is named for Samuel A. Levine (1891–1966), an influential American cardiologist, who first observed that many patients with chest pain made this same sign to describe their symptoms.
Dr. Segal explains that pain or discomfort in areas such as the jaw, neck, back or arms is a sign of a “mini heart attack” that many people miss. “The pain might not always feel like chest ...
Reduced blood flow to the heart associated with coronary ischemia can result in inadequate oxygen supply to the heart muscle. [6] When oxygen supply to the heart is unable to keep up with oxygen demand from the muscle, the result is the characteristic symptoms of coronary ischemia, the most common of which is chest pain. [6]
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Chest pain with features characteristic of cardiac origin (angina) can also be precipitated by profound anemia, brady-or tachycardia (excessively slow or rapid heart rate), low or high blood pressure, severe aortic valve stenosis (narrowing of the valve at the beginning of the aorta), pulmonary artery hypertension and a number of other conditions.