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The double duct sign is a radiological finding characterized by the simultaneous dilation of the common bile duct and the main pancreatic duct.This sign is significant because it often indicates an obstruction in the distal bile duct and pancreatic duct, frequently caused by serious underlying pathologies such as pancreatic carcinoma or periampullary tumors. [1]
A chest radiograph and routine blood tests may indicate complications or precipitating causes and are often performed upon arrival to an emergency department. New regional wall motion abnormalities on an echocardiogram are also suggestive of a myocardial infarction. Echo may be performed in equivocal cases by the on-call cardiologist. [3]
dilated pupil, poorly reactive but with normal near accommodation Adson's sign: Alfred Washington Adson: vascular surgery: thoracic outlet syndrome: obliteration of radial pulse with manoeuvres Alexander's law: Gustav Alexander: neurology, neurosurgery, ENT: vestibular lesions: describes nystagmus in vestibular lesions Allen's test: Edgar Van ...
The proximity of the inflamed pancreas to the transverse colon and splenic flexure results in localized inflammation, which leads to the characteristic radiographic appearance. [ 1 ] Other Conditions: Though less common, other causes can include splenic infarction, colonic ischemia, or trauma, which similarly result in localized inflammatory ...
The most cost-efficient screening test is an abdominal aortic ultrasound study. Noting the results of several large, population-based screening trials, the US Centers for Medicare and Medicaid Services (CMS) now provides payment for one ultrasound study in all smokers aged 65 years or older ("SAAAVE Act"). [25]
The BD-IPMN of the body was lined by gastric mucinous epithelium showing low papillary configuration with mild epithelial stratification with the same KRAS mutation (d), and the proliferation of similar gastric IPMN components sequentially involved the bottom of the mural nodule and the wall of the surrounding dilated MPD (indicated by red ...
[31] The results of the genetic testing can help the doctors and patients understand the underlying cause of the dilated cardiomyopathy. Genetic test results can also help guide decisions on whether a patient's relatives should undergo genetic testing (to see if they have the same genetic mutation) and cardiac testing to screen for early ...
Flow-mediated dilation (FMD) refers to dilation (widening) of an artery when blood flow increases in that artery. [1] [2] The primary cause of FMD is release of nitric oxide by endothelial cells. [1] To determine FMD, brachial artery dilation following a transient period of forearm ischemia is measured using ultrasound. [3]