顺逆为隔肌痉挛所引起的一种症状，致病的因素很多，短暂的呢逆，一般不需治疗，如持续时间过长，则影响正常生活，甚至引起呼吸功能衰竭等严重并发症，药物治疗效果不佳，我们采用体外隔肌起搏方法治疗顽固性晚逆，取得较好效果，现将结果报告如下。病人42例，其中男性38例， Shun reverse is a symptom caused by the diaphragm muscle spasm, many factors of pathogenic factors, short-term reversal, generally do not need treatment, such as the duration is too long, it affects the normal life and even lead to respiratory failure and other serious complications, Drug treatment is not effective, we use extracorporeal pacing method of treatment of intractable late, and achieved good results, the results are reported as follows. 42 patients, including 38 males,