Thoracic aortic aneurysm chest x ray

Thoracic aortic aneurysm Microchapters
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Overview
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Differentiating Thoracic Aortic Aneurysm from other Diseases
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History and Symptoms
Physical Examination
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Electrocardiogram
General Approach to Imaging in Thoracic Aortic Aneurysm
Chest X Ray
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Case #1
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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