PMC9551262_01
The electrocardiogram taken on admission shows a right bundle branch block and an ST-elevation in the inferior leads.
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F1
ECG on admission and the following day showed a right bundle branch block and an atypical ST-elevation in the inferior leads without dynamic changes (Figures 1 & 2). 
The second electrocardiogram taken in the next 24 hours reveals no dynamic changes, in favor of ischemia.
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F2
ECG on admission and the following day showed a right bundle branch block and an atypical ST-elevation in the inferior leads without dynamic changes (Figures 1 & 2). 
Three views of the patient's coronary angiography demonstrate the left and right coronary systems.
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F3
Angiography showed patent epicardial coronary arteries and a 22x16x14 mm saccular aneurysm at the very proximal portion of the left main coronary artery (Figure 3).
Two views of the patient's chest computed tomography scan demonstrate normal pulmonary parenchymal (A=parenchymal view), as well as the main PA and its branches (B=mediastinal view).
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F4
In addition, spiral chest computed tomography scanning did not suggest remarkable data (Figure 4).