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Query: UMLS:C0149871 (deep vein thrombosis)
 12,364 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Radionuclide diagnostic imaging is an important adjunct to the diagnosis and treatment of several conditions that present to the emergency department. The emergency physician should be able to properly apply these tests. A normal radionuclide perfusion lung scan can reliably rule out pulmonary embolism. The use of the radionuclide ventilation lung scan may help interpretation of a perfusion lung scan that is of intermediate probability for pulmonary embolism. A radionuclide venogram of the lower extremities is both sensitive and accurate for detecting the presence of deep venous thrombosis. A radionuclide testicular scan is invaluable in the workup of the acute scrotum, as long as the test is available in a timely manner and the diagnosis has not been established by another means. A multiple-gated acquisition cardiac scan can help make the diagnosis of cardiac contusion after other causes of cardiac instability have been corrected. The renal radionuclide scan is useful in the workup of obstructive uropathy, especially if intravenous pyelography is contraindicated. The hepatobiliary nuclear scan is able to help differentiate acute cholecystitis from other causes of right upper quadrant pain. Proper and timely use of these tests can prevent serious sequelae from a missed diagnosis, and in some cases eliminate the need for invasive tests, dangerous treatment, or even exploratory surgery when it is unwarranted.
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PMID:Emergency radionuclide scans. 351 91

Inflammatory abdominal aortic aneurysms (IAAA) represent 3% to 10% of all abdominal aortic aneurysms. Obstructive uropathy is a well-described feature of IAAAs, but venous complications are unusual secondary to IAAA. The authors report a patient presenting with acute renal failure and deep venous thrombosis secondary to an IAAA. We believe this represents the first case of an IAAA manifesting as combined inferior vena cava compression and associated obstructive uropathy. Successful operative repair was performed. With resolution of the retroperitoneal inflammation, long-term follow-up revealed spontaneous release of both ureteral and caval compression.
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PMID:Caval and ureteral obstruction secondary to an inflammatory abdominal aortic aneurysm. 1468 51

Heparin-induced thrombocytopenia (HIT) is a potentially fatal clinical condition which can develop after exposure to unfractionated or low-molecular-weight heparins. Even small doses of heparin such as heparin flushes in hemodialysis catheter can induce the development of HIT. However, the true incidence of heparin lock-related HIT is unknown. We report a 58-year-old woman with acute kidney injury because of obstructive uropathy who developed HIT after heparin-free hemodialysis. She was found to have severe thrombocytopenia with deep vein thrombosis of left lower limb and arterial thrombosis of the right anterior and middle cerebral arteries. The heparin-platelet factor 4 antibody was positive and she was put on plasmapharesis. However, her condition further deteriorated and succumbed shortly. Heparin lock solution in the hemodialysis catheter was believed to be the cause of HIT in our patient.
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PMID:Heparin-induced thrombocytopenia due to heparin lock in a hemodialysis patient: a case report. 2440 89