Thoracic aortic aneurysm chest x ray
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Differentiating Thoracic Aortic Aneurysm from other Diseases |
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Thoracic aortic aneurysm chest x ray On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohammad Salih, MD.
Overview
Thoracic aortic aneurysm is associated with an abnormality on chest x-ray in 80 to 90% of patients. Smaller aneurysms (saccular aneurysms) may not be apparent on a chest x ray.
Characteristic Findings On Chest X Ray
- Widening of mediastinal silhouette
- Enlargement or obliteration of the aortic knob
- Displacement of the trachea from the midline to the right
- Double-opacity appearance of the aorta
- Localized bulge along the aortic contour
- Displacement of calcification of the aortic wall
2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM Guidelines for the Diagnosis and Management of Patients with Thoracic Aortic Disease (DO NOT EDIT)[1]
Screening Tests (DO NOT EDIT)[1]
| Class I |
| " 1.The role of chest x-ray in the evaluation of possible thoracic aortic disease should be directed by the patient's pretest risk of disease as follows: |
| " a. Intermediate risk: Chest x-ray should be performed on all intermediate-risk patients, as it may establish a clear alternate diagnosis that will obviate the need for definitive aortic imaging. (Level of Evidence:C)" |
| " b. Low risk: Chest x-ray should be performed on all low-risk patients, as it may either establish an alternative diagnosis or demonstrate findings that are suggestive of thoracic aortic disease, indicating the need for urgent definitive aortic imaging. (Level of Evidence:C)" |
References
- ↑ 1.0 1.1 Hiratzka LF, Bakris GL, Beckman JA, Bersin RM, Carr VF, Casey DE; et al. (2010). "2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM guidelines for the diagnosis and management of patients with Thoracic Aortic Disease: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines, American Association for Thoracic Surgery, American College of Radiology, American Stroke Association, Society of Cardiovascular Anesthesiologists, Society for Cardiovascular Angiography and Interventions, Society of Interventional Radiology, Society of Thoracic Surgeons, and Society for Vascular Medicine". Circulation. 121 (13): e266–369. doi:10.1161/CIR.0b013e3181d4739e. PMID 20233780.