Implantable Cardioverter Defibrillator
ICD: device is able to recognize ventricular arrhythmias and deliver a shock to normalize cardiac pace.
Patient at risk of sudden death.
Absolute contraindication to MR.
Inferior Vena Cava Filter
Indications: (1) anticoagulation contraindicated; (2) anticoagulation failure; (3) prophylaxis in high-risk patients.
Inflammatory Aortic Aneurysm
Characterized by the presence of perianeurysmal fibrosis and a thickened aortic wall.
Represent 5–10 % of all abdominal aortic aneurysms; ascending aorta and aortic arch involvement is much less common, and when present there is a concomitant abdominal aortic aneurysm.
Retroperitoneal extension of the inflammatory process is seen in one-third of affected patients, and it is responsible of secondary ureteral involvement with resultant hydronephrosis, aortic–sigmoid colon fistula with bleeding, and secondary bacterial infection.
CT: (1) hypoattenuating mass with periaortic wall thickening that spares the...
KeywordsAortic Dissection Iron Overload Abdominal Aortic Aneurysm Constrictive Pericarditis Pulmonary Regurgitation
- American College of Radiology (2012) ACR Manual on Contrast Media. Version 8. ISBN: 978-1-55903-009-0Google Scholar