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Pain at the Game: Spontaneous Coronary Artery Dissection

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1 Pain at the Game: Spontaneous Coronary Artery Dissection
Gagan D. Singh, MD, Marin Nishimura, BS, Jason H. Rogers, MD, Ezra A. Amsterdam, MD  The American Journal of Medicine  Volume 127, Issue 12, Pages (December 2014) DOI: /j.amjmed Copyright © 2014 Elsevier Inc. Terms and Conditions

2 Figure 1 (A) an electrocardiogram (ECG) was obtained on presentation during active chest pain. (B) Another was ordered after administration of sublingual nitroglycerin, while the patient was free of discomfort. (C) Three hours after presentation, a third ECG was performed for reevaluation. The patient had no chest pain at this point. The American Journal of Medicine  , DOI: ( /j.amjmed ) Copyright © 2014 Elsevier Inc. Terms and Conditions

3 Figure 2 Coronary angiography of the left anterior descending artery was carried out. (A) This is the right-anterior-oblique cranial projection. (B) The left-anterior-oblique cranial projection is shown. Note that the left anterior descending coronary artery courses down the interventricular septum where there is an abrupt decrement in luminal diameter (arrows) with a ribbon-like appearance of the artery distally. The remainder of the epicardial coronary artery system has no significant angiographic evidence of atherosclerotic coronary artery disease. The American Journal of Medicine  , DOI: ( /j.amjmed ) Copyright © 2014 Elsevier Inc. Terms and Conditions

4 Figure 3 Combined intravascular imaging was performed in a patient with suspected spontaneous coronary artery dissection. (A) An angiographic image of a long lesion in the left anterior descending coronary artery suggests spontaneous coronary artery dissection. (B) The proximal aspect of the diseased segment shows an intimomedial membrane and a double lumen appearance by optical coherence tomography (OCT). (B’) The same is evident on intravascular ultrasound (IVUS). At this site, the complete vessel is visualized by both techniques, although thrombus in the false lumen is more clearly depicted by IVUS. (C) More distally, OCT detects a severely narrowed lumen and a side branch exit from the true lumen (4 o'clock position). The thickness of the intimomedial membrane is well visualized (5 to 11 o'clock position), but severe attenuation prevents visualization of dorsal structures. (C’) IVUS displays the false lumen content better and detects the side branch take-off from the true lumen (3 o'clock position). *Denotes wire artifact. Reproduced, with permission, from Paulo et al The American Journal of Medicine  , DOI: ( /j.amjmed ) Copyright © 2014 Elsevier Inc. Terms and Conditions


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