Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access
Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc
Journal website https://www.cardiologyres.org

Case Report

Volume 3, Number 5, October 2012, pages 232-235

A Case of Acute Myocardial Infarction due to Left Main Trunk Occlusion Complicated With Aortic Dissection as Diagnosed by Intravascular Ultrasound

Figures

Figure 1.
Figure 1. Twelve-lead ECG at admission showed a marked ST-segment elevation in leads I, aVR and aVL, and reciprocal ST-segment depression in leads II, III and aVF.
Figure 2.
Figure 2. Left coronary angiogram in the right anterior oblique caudal view shows subtotal occulusion of the LMT with delayed coronary flow (TIMI grade 1 flow).
Figure 3.
Figure 3. IVUS images at the bifercation of the LAD and the LCX (A), the mid portion of the LMT (B), the proximal portion of the LMT (C), and the ostium of the LMT (D). A large dissecting flap is showen from the ostium to the bifurcation of the LMT (arrowes). The coronary lumen is compressed by a large intramural hematoma.
Figure 4.
Figure 4. A bare metal stent is implanted in the proximal portion of LAD to the ostium of the LMT (A). After stenting, The coronary flow is improved to TIMI grade 3 (B).
Figure 5.
Figure 5. Intraoperative photograph reveals the implanted stent in the LMT.