老年人心绞痛常表现的症状多不典型,以不稳定型心绞痛为常见,夜间发作多,特别要警惕晨起时间,由于心肌缺血而转为梗死及发生猝死。因此,防止心绞痛发作尤为重要。据医学资料和临床分析:心绞痛患者在夜间睡眠时采取头高脚低姿势,这样可以减少甚至消除心绞痛发作(一般床头比床尾高出20~25厘米)。但必须注意的是,如仅抬高床的上半部是无效的。采取头高脚 Elderly often showed symptoms of angina atypical to unstable angina is common, night attacks and more, in particular, to be alert early morning time, due to myocardial ischemia and infarction and sudden death. Therefore, the prevention of angina pectoris is particularly important. According to medical information and clinical analysis: angina patients take a head high and low posture during nighttime sleep, so as to reduce or even eliminate angina pectoris (usually, the bed head is 20-25 cm higher than the end of the bed). It must be noted, however, that raising the upper half of the bed is ineffective. Take a tall head