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Prinzmetal变异型心绞痛在疼痛的性质、部位、放射方向、暂时性以及应用硝酸甘油后可以缓解等方面与典型的心绞痛完全一样。其不同之处是,用力或激动并不引起心绞痛发作,而心绞痛往往在患者休息或相对不活动的情况下出现,且发作有一定的周期性,常在每24小时中同一时间出现。在疼痛发作的间歇期心电图呈正常,仅在发作心绞痛时S—T、段有暂时抬高,在其相对应的标准导联中有S-T段压低。当S—T段抬高至顶峰时常可出现房室传导阻滞及室性心动过速。心电
Prinzmetal variant angina is exactly the same as typical angina in terms of the nature of the pain, location, radiation direction, transitoryness, and ease of use following administration of nitroglycerin. The difference is that exertion or excitement does not cause angina pectoris, and angina pectoris often occurs when the patient is resting or relatively inactive, and the episode has a certain periodicity, often occurring at the same time every 24 hours. In the intermittent episodes of pain episodes of ECG was normal, only in the onset of angina pectoris S-T segment temporarily elevated in its corresponding standard lead S-T segment depression. Atrial septal block and ventricular tachycardia often occur when the S-T segment is elevated to the top. ECG