心律失常是指心脏自律性异常或传导障碍引起的心动过速、心动过缓或心律不齐。引起老年人心律失常最常见的病因是冠心病、心肌病、心力衰竭等,这些病变几乎占了老年人心律失常原因的三分之二。此外,老年人的急慢性肺部疾病如肺气肿,情绪变化如精神焦虑、过度兴奋或悲伤,全身感染和中毒,贫血,电解质紊乱 Arrhythmias are tachycardia, bradycardia or arrhythmia caused by abnormalities in cardiac self-regulation or conduction disorders. Caused by the most common cause of arrhythmia in the elderly coronary heart disease, cardiomyopathy, heart failure, these lesions account for almost two-thirds of the causes of arrhythmia in the elderly. In addition, the elderly have acute and chronic lung diseases such as emphysema, mood changes such as anxiety, over-excitation or sadness, systemic infection and poisoning, anemia, electrolyte imbalance