Items tagged “vascular”
80 results found
Case
Saccular and fusiform internal carotid artery aneurysms
Published
02 Oct 2013
80% complete
MRI
Annotated image
Article
Retroperitoneal hemorrhage
Retroperitoneal hemorrhage can be a source of significant yet occult blood loss.
Terminology
Some articles conflate and/or confuse retroperitoneal hemorrhage and Wunderlich syndrome 5. However Wunderlich syndrome refers primarily to bleeding around the kidney, not the retroperitoneum in genera...
Article
Abdominal aortic aneurysm rupture
Abdominal aortic aneurysm (AAA) rupture is a feared complication of abdominal aortic aneurysm and is a surgical emergency. It is part of the acute aortic syndrome spectrum.
Epidemiology
Abdominal aortic aneurysms are common and affect ~7.5% of patients aged over 65 years 6.
The risk of ruptur...
Case
Vertebrobasilar dolichoectasia
Published
01 Dec 2013
92% complete
MRI
Case
Cerebral parenchymal arteriovenous malformation
Published
26 Jan 2014
89% complete
MRI
Article
Macaroni sign (arteries)
The macaroni sign is a sign seen in Takayasu arteritis on ultrasound. It represents the smooth, homogeneous and moderately echogenic circumferential thickening of the arterial wall that occurs in Takayasu arteritis.
The sign is highly specific for Takayasu arteritis, more commonly noted in the ...
Article
Arteriovenous fistula
An arteriovenous fistula (AVF) is a fistulous connection between an adjacent artery and vein. Unlike an arteriovenous malformation (AVM), these are frequently acquired lesions, rather than developmental abnormalities.
Epidemiology
Associations
Certain syndromes are associated with arterioveno...
Case
Femoral artery pseudoaneurysm
Published
06 Jan 2015
57% complete
Ultrasound
Case
Anaerobic cellulitis
Published
14 Apr 2015
85% complete
X-ray
Case
Median arcuate ligament syndrome
Published
12 May 2015
44% complete
Diagram
Case
Fibroadipose vascular anomaly
Published
27 Oct 2015
89% complete
MRI
Article
Arteriovenous access
Arteriovenous access is required for haemodialysis in renal failure patients. The upper limb is generally preferred as a site, however, lower limb access can also be obtained. Ultrasound is the preferred modality for evaluation of the vessels prior to creating an access.
Types
arteriovenous fi...
Case
Pulmonary sequestration - intralobar
Published
12 Feb 2016
80% complete
CT
Article
Posterior humeral circumflex artery
The posterior humeral circumflex artery is a vessel arising from the axillary artery at the proximal part of the arm.
Summary
origin: branch of the axillary artery at the proximal part of the arm 1
location: proximal arm
supply: glenohumeral joint, teres major and minor, and deltoid 1
main ...
Case
Vertebral artery variant: external carotid artery origin
Published
27 Sep 2017
95% complete
CT
Case
Uterine arteriovenous malformation
Published
20 Nov 2017
79% complete
Ultrasound
Article
Iliac artery endofibrosis
Iliac artery endofibrosis is a rare condition that affects young endurance athletes, characterized by a non-atherosclerotic stenosis of the iliac artery.
Epidemiology
It is a rare entity that affects highly trained endurance athletes, mostly cyclists and long-distance runners 4. The disease ha...
Case
Aortic origin of the left vertebral artery
Published
30 Mar 2018
50% complete
CT
Article
Wall filter
The wall filter in ultrasound is a way of filtering out low or high frequency Doppler signals. In clinical ultrasound, it is usually used to filter out very low frequencies that may add noise to a spectral Doppler waveform.
A typical use is removing the low frequency reverberation of an arteria...
Case
Acute Budd-Chiari syndrome
Published
05 Jun 2018
81% complete
Annotated image
CT
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