Figure 2. ECG 30 min after presentation at the tertiary cardiac hospital revealing normal ST segment and sinus rhythm.
A decision was made to proceed with invasive coronary intervention due to the nature of the pain and ECG changes. The result revealed normal blood flow in the coronary arteries. However, a sac was observed behind the ascending aorta, aortic arch, and descending aorta, compressing the coronary arteries, mainly the right coronary artery (RCA), resulting in inferior STEMI (Figure 3)