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(Circulation. 1971;43:933.)
© 1971 American Heart Association, Inc.

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Radiologic Notes in Cardiology

Dissecting Aneurysm of the Aorta

MURRAY G. BARON M.D.¹

¹ From the Department of Radiology, The Mount Sinai Hospital and Mount Sinai School of Medicine of the City University of New York, New York, New York 10029.

The diagnosis of a dissecting aneurysm can be suggested by the clinical findings or plain films of the chest but a definitive diagnosis cannot be made without angiography. Selective aortography is the procedure of choice as it provides the maximum amount of information at a relatively low risk. Important diagnostic findings include a double lumen within the aorta, separation of the opacified channels by a linear lucency, absence of filling of one or more major branches of the abdominal aorta, or a thickening of the aortic wall when there is no flow in the false channel. Because of the seriousness of the lesion, once the diagnosis of a dissecting aneurysm is suggested, aortography should be performed with a minimum of delay.

Key Words: Angiography • Aortography

Submitted on March 3, 1971
Accepted on March 5, 1971