Recent respiratory infections multiply risk of heart attack

Australian researchers have announced patients who recently had respiratory infections are 17 times more likely to experience heart attack. The findings, published in the Internal Medicine Journal, could be related to such infections activating blood cells and the body's clotting system.

"It peaks in the first seven days and gradually reduces but remains elevated for one month," said lead author Geoff Tofler of the University of Sydney and the Royal North Shore Hospital. "This is the first study to report an association between respiratory infections such as pneumonia, influenza and bronchitis and increased risk of heart attack in patients confirmed by coronary angiography."

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