患者男性，57岁，农民。1984年11月无明显诱因腹泻，呈稀水样便，7～8／d。症状渐加重，每日腹泻10余次。无脓血便，睡眠好，无怕热，无疲乏无力，无体重下降。无低热、多食、多汗。在当地医院诊断为“慢性结肠炎”，经长期中西药物对症治疗无效。后因伴活动后心悸、气短查心电 Male patient, 57 years old, farmer. In 1984 November no obvious incentive to diarrhea, was watery stools, 7 ~ 8 / d. Gradual increase in symptoms, more than 10 daily diarrhea. No pus and blood, good sleep, no fear of heat, no fatigue, no weight loss. No low fever, eat more, sweating. In the local hospital diagnosed as “chronic colitis”, after long-term Chinese and Western medicine symptomatic treatment ineffective. After the event because of palpitations, shortness of breath check ECG