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成年人心跳每分钟少于60次,医学上称为“心动过缓”。导致老年人心动过缓的原因,大致可分为下列三种:(1)迷走神经功能亢进。心跳每分钟在45~59次之间,慢而有规则,不影响各器官或组织的血液供应。病人一般没有不适感。(2)窦房结病变。病因是心脏的原始起搏点(窦房结)及其周围组
Heartbeats in adults less than 60 beats per minute, medically known as “bradycardia.” The causes of bradycardia in the elderly can be broadly divided into the following three categories: (1) vagal hyperfunction. 45 to 59 beats per minute, slow and regular, does not affect the blood supply to various organs or tissues. Patients generally do not feel discomfort. (2) sinus node disease. The cause is the original cardiac pacemaker (sinus node) and its surrounding groups