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本文通过心房起搏负荷试验观察冠脉血液动力学、左室功能、心肌代谢的变化,进一步阐明其病理生理机制。方法平均50(41~59)岁的12例女性X综合征患者,冠脉造影正常,运动试验S-T段压低伴心绞痛;体检、胸片、心脏超声均正常;10例心电图正常,2例非特异性复极改
In this paper, atrial pacing load test coronary artery hemodynamics, left ventricular function, myocardial metabolism changes, to further clarify its pathophysiological mechanisms. Methods Twelve women with X syndrome who were 50 (41-59) years old had normal coronary angiography, ST-segment depression and angina pectoris. Physical examination, chest radiography and echocardiography were normal. Ten patients had normal electrocardiogram and two nonspecific Complex change