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21例均为男性,34～65岁。均有持续性胸痛史,持续3～6小时,8例有反复发作的心绞痛史。19例表现为胸痛导联ST下移和T波倒置,2例为ST段抬高且与升高的T波呈卑向曲线。入院48小时内,发现19例心电图ST段下移和T波倒置呈进行性发展,酷似无Q波MI;2例ST段抬高者呈急性Q波MI演变,并有V_1～V_3Q波形成,符合心肌顿抑,在急性病程中始终无心脏特异性肌钙蛋白T(cTNT)升高,可能是单一的心肌顿抑现象。11例行冠脉造影仅1例示前降支严重狭窄,余均正常。参4
21 cases were male, 34 to 65 years old. Have a history of persistent chest pain, sustained 3 to 6 hours, 8 patients had recurrent episodes of angina history. Nineteen cases showed ST-down and T-wave inversion in the lead of chest pain. Two cases showed ST-segment elevation and a bee curve with elevated T wave. Within 48 hours after admission, 19 patients underwent ST-segment downstairs and T-wave inversion in a progressive manner similar to those without Q-wave MI. Two patients with ST-segment elevation showed acute Q-wave MI and V_1-V_3Q wave formed, Consistent with myocardial stunning, in the acute course of heart cardiac troponin T (cTNT) has always been elevated, may be a single myocardial stunning phenomenon. Only 1 of 11 routine coronary angiography showed severe stenosis of anterior descending artery, all of which were normal. Participation 4