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| {{SI}}
| | #Redirect [[Coronary collaterals]] |
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| __NOTOC__
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| {{CMG}}; {{AE}} {{Hilda}}
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| ==Overview==
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| Collateral Circulation assessed visually using the following grading system
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| Grade 0: No collaterals present. Angiography fails to reveal evidence of collateral vessels.
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| Grade 1 (or partial): Minimal collaterals present. Evidence of minimal to partial filling of the recipient branch epicardial arteries/infarct region. It is not necessary for one to see the branches connect directly to the major epicardial artery.
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| Grade 2 (or complete): Well-developed collaterals. Evidence of collateral circulation with near complete to complete filling of the recipient major epicardial artery/infarct region.
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| Grade 3 (myocardial): Filling of the myocardium by collaterals. If the collaterals are not filling any visible arterial branch, but are only participating in the perfusion of the myocardium.
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| ==Examples==
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| ==References==
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| {{Coronary Angiography}}
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| [[Category:Cardiology]] | |
| [[Category:Angiopedia]]
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