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| {{SI}}
| | #REDIRECT:[[Coronary artery dissection]] |
| {{WikiDoc Cardiology Network Infobox}}
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| {{CMG}}
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| __NOEDITSECTION__
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| '''Associate Editor-In-Chief:''' {{CZ}}
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| {{Editor Join}}
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| ==Definition==
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| Dissection is an intraluminal filling defect or flap associated with a hazy, ground-glass appearance. This category is sub-classified using the NHLBI (National Heart Lung and Blood Institute) system for grading dissection types:
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| ===Type A===
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| [[Dissection: Type A | Radiolucent areas]] within the coronary lumen during contrast injection, with minimal or no persistence of contrast after dye has cleared. | |
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| ===Type B===
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| [[Dissection: Type B | Parallel tracts]] or double lumen separated by a radiolucent area during contrast injection, with minimal or no persistence after dye has cleared.
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| ===Type C===
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| [[Dissection: Type C | Contrast outside the coronary lumen]], with persistence of contrast in the area after dye has cleared.
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| ===Type D===
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| [[Dissection: Type D | Spiral luminal filling]] defects frequently with extensive contrast staining of the vessel.
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| ===Type E===
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| [[Dissection: Type E | New persistent filling defects]] that may be caused by [[thrombus]].
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| ===Type F===
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| These are [[Dissection: Type F | non A – E dissection types]] that lead to impaired flow or total occlusion of the coronary artery.
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| ==References==
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| ==External Links==
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| * [http://www.medscape.com/content/2004/00/49/09/490976/490976_fig.html Coronary Artery Dissection and Perforation article from Medscape]
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| {{Circulatory system pathology}}
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| {{SIB}}
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| [[Category:Cardiology]]
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| [[Category:Angiographic Definitions]]
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