928 results found
Case
Implantable cardioverter-defibrillator (ICD)
Published
30 Apr 2011
82% complete
X-ray
Article
Post-thrombotic syndrome
Post-thrombotic syndrome (PTS) is a syndrome of chronic venous insufficiency following deep vein thrombosis (DVT) due to valvular incompetence, which results in chronic reflux and chronic venous hypertension.
Epidemiology
PTS is a common complication following extensive DVT of the limbs. Up to...
Case
Left common iliac artery stenosis stenting
Published
24 Sep 2011
60% complete
DSA (angiography)
Case
Cerebellar hemorrhage secondary to arteriovenous malformation
Published
06 Nov 2015
92% complete
CT
DSA (angiography)
Article
Polyvinyl alcohol (PVA)
Polyvinyl alcohol (PVA) particles are type of permanent embolization agent used in interventional radiological procedures.
Mechanism of action
When injected, PVA particles adhere ot the vessel wall, activating the coagulation cascade and leading to vessel occlusion by provoking thrombus format...
Article
Flow-diverter stent
Flow-diverter stents are relatively new and important devices in the management of intracranial aneurysms in both acute and elective settings, especially ones that are large, broad-necked or fusiform.
Complications
Understanding the complication rates is important in obtaining informed consent...
Article
Central vein
A central vein refers to a major vein close to the center of the circulation, i.e. the heart. It originally referred to those large veins in which the distal tip of a catheter could lie for central venous pressure monitoring. To accurately measure the central venous pressure, which is the pressu...
Case
CT guided lung biopsy: deep location
Published
28 Nov 2016
65% complete
CT
Article
Branches of the external carotid artery (mnemonic)
Mnemonics for the branches of the external carotid artery abound. A few colorful examples include:
Some American Ladies Found Our Pyramids Most Satisfactory
Some Anatomists Like Freaking Out Poor Medical Students
She Always Likes Friends Over Papa, Mama, and Sister
There are many many many ...
Case
Intravascular injection of local anesthetic
Published
12 Apr 2013
77% complete
MRI
Fluoroscopy
Article
Percutaneous nephrostomy
Percutaneous nephrostomy is a form of nephrostomy in which percutaneous access to the kidney is achieved under radiological guidance. The access is then often maintained with the use of an indwelling catheter.
Indications
Percutaneous nephrostomy is usually reserved for when retrograde approac...
Case
Congenital absence of the IVC
Published
02 Mar 2017
80% complete
DSA (angiography)
CT
Case
Contraceptive implant embolization
Published
02 Feb 2022
94% complete
CT
Case
Mobile CT brain post left posterior inferior cerebellar artery coiling following rupture
Published
26 Apr 2023
92% complete
CT
Article
Ultrasound-guided spinal anesthesia
With the growing incidence of obesity in the western world, ultrasound-guided anesthesia is becoming more common.
Spinal anesthesia is traditionally administered by identifying relevant surface anatomy and imaging is rarely used for pre-procedural identification of structures. Ultrasound-guide...
Case
Abdominal aortic aneurysm
Published
01 Apr 2011
71% complete
X-ray
CT
Case
Spontaneous hemopneumothorax
Published
16 Jan 2017
92% complete
DSA (angiography)
X-ray
CT
Article
O-arm
The O-arm is a movable CT imaging structure developed for intraoperative 3D fluoroscopic imaging. It is utilized during surgery for the identification of bony details in complex procedures such as spinal fixation or microdiscectomy.
See also
C-arm
Case
Percutaneous nephrostomy diagram
Published
15 May 2012
25% complete
Diagram
Article
Coronary stent thrombosis
Coronary stent thrombosis or scaffold thrombosis refers to an acute thrombus or occlusion in a coronary segment previously treated with a coronary stent or scaffold. It is a severe complication of percutaneous coronary intervention (PCI) and a major adverse cardiovascular event.
Epidemiology
C...
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