heart attack

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Most heart attacks occur when one or more coronary arteries (the arteries in the heart) become so narrowed by cholesterol plaque that blood flow becomes blocked.
Because coronary disease and heart attacks are so closely related, researchers in the past have assumed they are the same thing.
Its survey has found 152 deaths due to heart attacks occurred to people aged under 75 in Kirklees last year.
Some people have a heart attack without having any symptoms (a "silent" myocardial infraction).
Researchers reported at the American Heart Association's 49th Annual Conference on Cardiovascular Disease Epidemiology and Prevention that people who have had a heart attack are likely to report having been in traffic shortly before their symptoms began.
Some heart attacks are sudden and intense, similar to the dramatic "movie heart attack," where no one doubts what's happening.
Blood samples drawn immediately after the tests showed that accumulations of platelets bound to immune cells had roughly doubled in the men who had had a stressful event before their heart attacks.
We recorded the number of heart attacks that occurred in the city for the eighteen months before and after the introduction of the ban," explains Mori Krantz, director of the Prevention Department of the Colorado Prevention Center in Denver, "and found a post-introduction fall of around twenty-seven percent.
Craven's observations occurred in 1948, it took another 54 years of research and data before the idea of aspirin as a heart attack preventative was fully accepted.
The study was based on tiny, volatile numbers, averaging seven heart attacks a month before the ban and four afterward.
While it can prevent the clots that block arteries and cause heart attacks and strokes, it can also cause bleeding in the intestinal tract and, rarely, in the brain.
HERO-2 was the first myocardial infarction trial to perform systematic, blinded adjudication of repeat heart attacks by an independent, expert panel.
The truth is that many heart attacks start slowly, as mild pain or discomfort.
Any improvement in cardiovascular fitness is associated with a decrease in death due to heart attacks.