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本文分析最近4年来120例慢性肺心病住院患者的心律失常发生率、类型、与动脉血氧和二氧化碳分压、洋地黄中毒的关系: 发生心律失常者共36例,各种心律失常的发生率如附表。发生心律失常的原因:慢性肺原性心脏病发生心律失常的原因较多,主要为通气障碍引起二氧化碳潴留和缺氧,影响心肌代谢与功能改变,使异位起搏点兴奋加强;右房感受器受张力兴奋;内源性儿茶酚胺增高等。 1.通气障碍和缺钾:Baum显示在慢性呼吸功能不全时有明显缺钾,并且是细胞内缺钾;同时,右心肥大、心肌氧耗量增加、心肌缺氧与酸中毒等,均能促使心肌缺钾,故心
This article analyzes 120 patients with chronic pulmonary heart disease hospitalized in recent 4 years the incidence of arrhythmia, type, and arterial oxygen and carbon dioxide partial pressure, digitalis poisoning: a total of 36 cases of arrhythmia, the incidence of various arrhythmias Such as schedule. Causes of arrhythmia: Chronic pulmonary heart disease arrhythmia for many reasons, mainly due to ventilatory disorders caused by carbon dioxide retention and hypoxia, affecting myocardial metabolism and function changes, so that ectopic pacemaker excited to strengthen; right atrial receptor Excited by the tension; increased endogenous catecholamines. 1. Ventilation and potassium deficiency: Baum showed significant potassium deficiency in chronic respiratory insufficiency, and is intracellular potassium; the same time, right ventricular hypertrophy, increased myocardial oxygen consumption, myocardial hypoxia and acidosis, etc., can Promote myocardial potassium, so heart