冬天气温低,天气寒冷,心脑血管病患者要注重自我保健,以免发生意外。心绞痛往往是心肌梗塞的前兆,而心梗一旦发生就十万火急,近半数病人连进医院门的机会都没有,因此识别高危症状非常重要。夜间时胸痛当夜间睡眠中发生心前区疼痛时,舌下立即含服硝酸甘油。因为人在夜间休息时,不像活动时那样需要增加供血,此时的胸痛往往可能在冠脉狭窄的基础上存在血管痉挛,新发心绞痛,处理不及时可引发心梗。胸痛症状加重以往有心绞痛的人,如果近1个月内,胸痛症状逐渐加重,或胸痛次数 Winter temperatures are low, cold weather, cardiovascular and cerebrovascular disease patients should pay attention to self care, so as to avoid accidents. Angina is often a precursor to myocardial infarction, and in the unlikely event of a heart attack occurring in nearly half of patients, there is no chance of getting into a hospital door, so identifying high-risk symptoms is very important. Chest pain at night When an anterior precordial pain occurs during nighttime sleep, sublingual nitroglycerin is given immediately. Because people rest at night, unlike the activities of the need to increase blood supply, chest pain at this time may often exist in the coronary artery stenosis based on vasospasm, new angina, can not trigger the treatment of myocardial infarction. Chest pain worsened in the past, people with angina, if within the past 1 months, chest pain symptoms gradually aggravated, or the number of chest pain