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心脏病发作亦即心肌梗塞,是严重威胁生命的急症。其起因是由于冠状动脉的窄化或阻塞,而使提供给心脏肌肉
Heart attack or myocardial infarction, is a serious life-threatening emergency. The cause is due to the narrowing or obstruction of the coronary arteries, which is provided to the heart muscle