Figure legend 
A: Electrocardiography revealed ST-segment elevation in leadaVR with a mirror image/
B: Emergency coronary angiography revealed severe stenosis in the left main trunk.
C: Intravascular ultrasound showed an extensive false lumen extending around the true lumen.
D: Angiography of the coronary arteries showed antegrade contrast of the ascending aorta compressed by the false lumen.