Items tagged “aorta”
102 results found











Article
Abdominal aortic aneurysm
Abdominal aortic aneurysms (AAA) are focal dilatations of the abdominal aorta measuring 50% greater than the proximal normal segment, or >3 cm in maximum diameter.
Epidemiology
represent the tenth most common cause of death in the Western world
prevalence increases with age
~10% patients old...
Article
Aortic arch
The aortic arch represents the direct continuation of the ascending aorta and represents a key area for a review of normal variant anatomy and a wide range of pathological processes that range from congenital anomalies to traumatic injury.
Summary
origin: continuation of the ascending aorta at...
Article
Aortic dissection
Aortic dissection is the most common form of the acute aortic syndromes and a type of arterial dissection. It occurs when blood enters the medial layer of the aortic wall through a tear or penetrating ulcer in the intima and tracks along the media, forming a second blood-filled channel within th...
Article
Aortic intramural hematoma
Aortic intramural hematoma (IMH) is an atypical form of aortic dissection due to hemorrhage into the wall from the vasa vasorum without an intimal tear. It is part of the acute aortic syndrome spectrum.
Epidemiology
Typically aortic intramural hematomas are seen in older hypertensive patients....
Case
Normal aortic arch (diagram)

Diagnosis not applicable
Published 07 May 2008
29% complete
Diagram
Article
Thoracic aortic dilatation (differential)
There are a number of causes and mimics of thoracic aortic dilatation.
Differential diagnosis
senile ectasia
hypertension
post-stenotic dilatation, e.g. bicuspid aortic valve
thoracic aortic aneurysm
atherosclerosis (usually descending thoracic aorta)
collagen disorders
Marfan syndrome
...
Article
Endoleak
Endoleaks are characterized by persistent blood flow within the aneurysm sac following endovascular aneurysm repair (EVAR). Normally the aortic stent-graft used for EVAR excludes the aneurysm from the circulation by providing a conduit for blood to bypass the sac.
Epidemiology
An endoleak is a...
Case
Ascending aorta aneurysm

Diagnosis certain
Published 27 Dec 2008
80% complete
MRI
Article
Figure 3 sign (aortic coarctation)
The figure 3 sign is seen in aortic coarctation and is formed by prestenotic dilatation of the aortic arch and left subclavian artery, indentation at the coarctation site (also known as the "tuck"), and post-stenotic dilatation of the descending aorta.
On barium studies of the esophagus in pati...
Article
Coarctation of the aorta
Coarctation of the aorta (CoA) refers to a narrowing of the aortic lumen.
Epidemiology
Coarctations account for between 5-8% of all congenital heart defects. They are more frequent in males, M:F ratio of ~2-3:1.
Clinical presentation
Varies accordingly to the degree of stenosis and the assoc...
Case
Coarctation of the aorta

Diagnosis not applicable
Published 22 May 2009
53% complete
CTX-rayAnnotated image
Case
Vascular ring

Diagnosis certain
Published 02 Nov 2009
79% complete
X-ray
Case
Aortic dissection DeBakey classification (illustration)

Diagnosis not applicable
Published 16 Nov 2009
29% complete
Diagram
Case
Aortic dissection

Diagnosis certain
Published 19 Nov 2009
59% complete
CT
Case
Abdominal aortic aneurysm

Diagnosis certain
Published 17 Jan 2010
74% complete
CT
Case
Aortic ductus diverticulum

Diagnosis certain
Published 24 Jan 2010
68% complete
CT
Case
Right aortic arch with aberrant left subclavian artery

Diagnosis certain
Published 04 Feb 2010
75% complete
FluoroscopyX-rayCT
Case
Aortic arch aneurysm

Diagnosis certain
Published 09 Feb 2010
98% complete
Annotated imageX-rayCT
Case
Coarctation of the aorta

Diagnosis certain
Published 22 Feb 2010
50% complete
X-rayCT
Case
Aortic transection and subclavian steal

Diagnosis certain
Published 23 Feb 2010
63% complete
DSA (angiography)