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The underlying causes of sudden cardiac arrest can result from cardiac and non-cardiac etiologies. The most common underlying causes are different, depending on the patient's age. Common cardiac causes include coronary artery disease, non-atherosclerotic coronary artery abnormalities, structural heart damage, and inherited arrhythmias. Common ...
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.
A sudden, unexpected loss of heart function also results in a sudden loss of breathing and consciousness. ... Another less frequent cause of a heart attack is a spasm caused by tobacco or possibly ...
It remains a difficult medical challenge to prevent the sudden cardiac death of athletes, typically defined as natural, unexpected death from cardiac arrest within one hour of the onset of collapse symptoms, excluding additional time on mechanical life support. [1] (Wider definitions of sudden death are also in use, but not usually applied to ...
Unfortunately, more severe arrhythmias can result in complete failure of the heart to pump blood and sudden cardiac death if the normal electrical activity of the heart cannot be quickly restored ...
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 ...