1临床资料女性,65岁,主诉活动后胸闷气短20余天入院。查体:生命体征平稳,心尖搏动位于左锁骨中线第5肋间,外1 cm,心浊音界扩大,主动脉瓣第一听诊区及心尖部可闻及4/6级收缩期杂音,无震颤,无腋下传导,未闻及心包摩擦音。心电图:房性早搏,ST-T改变。彩色多普勒超声心动图示:二叶式主动脉瓣,瓣叶钙化伴中~重度狭窄,心包大量积液。冠状动脉计算机断层摄影术血管造影(CTA):左冠状动脉异常起源于 1 Clinical data Female, 65 years old, complained of chest tightness and shortness of breath more than 20 days after admission. Physical examination: stable vital signs, apex beat in the left intercostal midline 5th intercostal space, 1 cm, heart and dullness expanded, aortic valve auscultation area and apex can be heard and 4/6 systolic murmurs, no tremor , No axillary conduction, no smell and pericardial frictional sound. ECG: atrial premature beats, ST-T changes. Color Doppler echocardiography showed: bilobed aortic valve, valve calcification with ~ severe stenosis, pericardial effusion. Coronary Computed Tomography Angiography (CTA): Abnormalities of Left Coronary Artery Originate from