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寒冷可以引起冠脉痉挛,导致心绞痛发作,已成为临床中冠心病患者症状出现的常见原因之一。在寒冷环境中运动,对有劳累性心绞痛的患者尤为危险。寒冷导致心绞痛的发生机制尚未完全明了。众所周知,冷加压试验,即将手置于冰冻水中或用冰敷于前额,可产生反射性交感神经兴奋,引起收缩压变动±12mmHg,伴心率加快,以青年人明显;资料显示,在此情
Cold can cause coronary spasm, leading to angina pectoris, clinical symptoms of coronary heart disease has become one of the common causes. Exercise in cold conditions is particularly dangerous for people with exertional angina. The mechanism of cold leading to angina is not yet fully understood. As we all know, cold compression test, about hand in the frozen water or ice in the forehead, can produce reflex sympathetic excitement, causing systolic blood pressure changes ± 12mmHg, with heart rate, with young people significantly; data show that in this situation