段××,男,63岁。1976年6月9日初诊。八个月前突发左胸膺处绞痛,以后时轻时重,时发时止,渐为加重,牵及整个胸脯,劳力则发作加剧,急走可致心痛骤发。一般以持续性闷痛为主,向右肩部放散。发作时自汗如洗,气短难能布总。兼见心悸、浮肿(轻度)、四肢清冷。素以仰卧为舒。经多医多方审治,均谓为“冠心病”。除用硝酸甘油类药可缓解疼痛外,其余均无效应。经内蒙古医学院先后两次进行心电图检查,诊断为: Duan ××, male, 63 years old. Newly diagnosed on June 9, 1976. Eight months ago, sudden cramps occurred in the left chest area. Later, when it was light and heavy, when the hair was applied, it became more severe, involving the entire chest. Labor was exacerbated, and anxiousness can cause heartache. It is mainly based on persistent muffled pain and is scattered to the right shoulder. Self-sweat during the attack, such as washing, shortness of breath is difficult to cloth total. See also palpitations, edema (mildness), and cold extremities. It is supine for comfort. After being reviewed by many doctors and doctors, they are all referred to as “coronary heart disease.” Except for the use of nitroglycerin drugs to relieve pain, the rest had no effect. After undergoing electrocardiography twice in Inner Mongolia Medical College, the diagnosis was: