疼痛本是疾病的一个“报警信号”,但某些类型的疾病却善于“无痛作案”,这种现象尤其以中老年人多见。这类疾病往往更险恶、更不易引起人们的警觉。由于这类疾病是在人不知不觉中悄悄发展的,所以一旦时机成熟,便易一举致人于死地,人们应格外加以警惕。无痛性心肌梗死据国内有关资料报道,无痛性心肌梗死的发生率在非老年组中 Pain is a “warning sign” of the disease, but some types of illnesses are good at “painless” crimes, a phenomenon especially seen in the elderly. Such diseases are often more sinister and less likely to arouse people’s alert. Since such diseases are unwittingly quietly developing, people should be especially vigilant as soon as the time is right to kill people. Painless myocardial infarction According to domestic data reported that the incidence of painless myocardial infarction in the non-elderly group