PMC7196985_01
(a) ECG on admission: normal sinus rhythm with ST segment elevation on leads V1-3. (b) CAG: an aneurysmal dilatation from the LMCA to the proximal segment of LAD with a transverse diameter of 8.5 mm. (c, d) Coronary CTA with three-dimensional volume rendering: multiple aneurysms from the LMCA to the proximal segment of the LAD artery.
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His electrocardiogram (ECG) revealed normal sinus rhythm with ST segment elevation on leads V1-3 (Figure 1(a)). TIMI level 3, and there was an aneurysmal dilatation from the LMCA to the proximal segment of LAD with a transverse diameter of 8.5 mm, and the middle and distal segments of LAD had no obvious stenosis with a forward flow of TIMI level 3. To further assess CAAs, we performed contrast-enhanced coronary artery computer tomography angiography (CTA) with three-dimensional reconstruction of coronary arteries (Figures 1(c) and 1(d)).