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| __NOTOC__
| | #REDIRECT:[[Aortic dissection differential diagnosis]] |
| {{Template:Aortic dissection}}
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| {{CMG}}; '''Associate Editor-In-Chief:''' {{CZ}}
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| ==Overview==
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| ==Aneurysm vs Dissection:==
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| An aortic aneurysm is not synonymous with aortic dissection. Aneurysms are defined as a localized permanent dilation of the aorta to a diameter > 50% of normal. Cystic medial necrosis is the most common risk factor for the development of ascending aneurysms, and atherosclerosis is the most common risk factor for descending aneurysms.
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| :* The natural history of thoracic aneurysms depends on the size. Rupture is the most common cause of death, and the frequency of rupture is much higher in dissecting aneurysms than in non-dissecting ones.
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| :* Thoracic aneurysms enlarge at a more rapid rate than abdominal aneurysms (0.42 vs. 0.28 cm/yr), with aneurysms of the aortic arch growing at ~ 0.56 cm/yr. Aneurysms that are 5-6cm in diameter have a faster rate of growth and a greater tendency to rupture than smaller ones.
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| ==Differential diagnosis of entities to distinguish from aortic dissection==
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| * [[Aortic Regurgitation]]
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| * [[Aortic Stenosis]]
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| * [[Cardiac Tamponade]]
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| * [[Cardiogenic Shock]]
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| * [[Gastroenteritis]]
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| * [[Hemorrhagic Shock]]
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| * [[Hernias]]
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| * [[Hypertensive Emergencies]]
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| * [[Hypovolemic Shock]]
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| * [[Mechanical Back Pain]]
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| * [[Myocardial Infarction]]
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| * [[Myocarditis]]
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| * [[Myopathies]]
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| * [[Pancreatitis]]
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| * [[Pericarditis]]
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| * [[Peripheral Vascular Injuries]]
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| * [[Pleural Effusion]]
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| * [[Pulmonary Embolism]]
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| * [[Thoracic Outlet Syndrome]]
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| == References ==
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| {{Reflist|2}}
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| {{WH}}
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| {{WS}}
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