Aneurysm
| Definition: |
A sac formed by the dilatation of the wall of an artery, a vein, or the heart. |
| Notes: |
IM; coord with specific vessel (IM) or precoord vasc dis if available (IM); also available are AORTIC ANEURYSM; INTRACRANIAL ANEURYSM; CORONARY ANEURYSM; HEART ANEURYSM; ILIAC ANEURYSM; rupture = ANEURYSM, RUPTURED (see note there) |
Aneurysm Categories.
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Aneurysm, Dissecting - Splitting or dissection of an arterial wall by blood entering through an intimal tear or by interstitial hemorrhage. It is most common in the aorta. |
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Aneurysm, False - An aneurysm in which the entire wall is injured and the blood is contained by the surrounding tissues, with eventual formation of a sac communicating with the artery or heart. (Dorland, 28th ed) |
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Aneurysm, Ruptured - The tearing or herniation of the weakened wall of the aneurysmal sac. |
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Aortic Aneurysm - Aneurysm of the aorta. |
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Iliac Aneurysm - An aneurysm of the common, internal, or external iliac arteries. |
Aneurysm Definitions and Terms
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