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对于突发的心脏病，在既无自备药物又无医疗求救的情况下，患者的大声咳嗽，不失为一剂自救良方。研究者指出，当患者出现心慌、胸闷、气促的一瞬间，应不失时机地大声咳嗽，频率以每间隔3秒钟一次为宜。因为咳嗽所产生的动脉压比人工胸外按摩心脏所产生的压力要高出一倍之多，
For a sudden heart attack, without having their own medicines and without medical help, patients cough loudly, after all, a self-help recipe. Researchers pointed out that when patients appear palpitation, chest tightness, shortness of breath, should lose no time in loud cough, the frequency of once every 3 seconds is appropriate. Because the cough produces arterial pressure than artificial chest massage the pressure generated by the heart to be twice as high,