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The left renal vein frequently demonstrates a marked variation in caliber between the part distal to the aorta and the part directly in front of the aorta. This is well seen on both computed tomography (CT) and sonography. This variation in caliber or distention is believed to be secondary to a "nutcracker " effect formed by the aorta posteriorly and the(More)
STUDY OBJECTIVE To determine the effect of early administration of high-dose intravenous corticosteroids on duration of emergency room treatment and hospital admission rate in patients with acute asthma. DESIGN Randomized, double-blind, placebo-controlled trial. SETTING The emergency room of a large, urban hospital with primary and referral care(More)
A single regular (70 microL) or mini (15 microL) eyedrop of 0% (placebo), 0.25%, and 0.50% strengths of clonidine hydrochloride was administered to 16 patients with open-angle glaucoma in a double-masked crossover study. Both the regular drops and minidrops of 0.25% and 0.50% concentrations of the drug substantially lowered the intraocular pressure over a(More)
CONTEXT Functional outcome in relation to CT findings in traumatic brain injured (TBI) patients is not well established in relation to cognitive and vocational outcome. OBJECTIVE To investigate the possible correlation between relatively simple quantitative radiological measurements and cognitive and vocational outcome. DESIGN Retrospective analysis of(More)
Methamphetamine abuse is increasing and methamphetamine is second only to alcohol as a positive finding in cases submitted to the San Diego Sheriff's Crime Laboratory. In general, whole blood specimens are submitted more often than urine. A modified version of a commercially available radioimmunoassay, Coat-A-Count (CAC) Methamphetamine, was investigated as(More)
The incidence of myocardial contusion in patients wearing seat belts and requiring admission to hospital after road traffic accidents was examined. The criteria used for diagnosing contusion were serial electrocardiograms (ECGs) and estimation of CK-MB isoenzymes using the Isomune-CK (Roche) kit. Nine of the 14 patients (64 per cent) showed evidence of(More)
OBJECTIVE To ascertain the value of relatively simple quantitative radiologic measurements after head injury. Despite major advances in neuroradiology, analysis and reporting of imaging studies is based primarily on individual subjective and local experience, rather than on reproducible, standardized parameters; reliance on newer technologies can improve(More)