Jonathon Lavalley

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This study was to determine the relationship of antemortem to postmortem morphine concentrations in heart and femoral blood in a porcine model following acute intravenous opiate overdose. The study involved 20 swine; each was sacrificed 10 min after injection of 2 mg/kg body weight of morphine. Drug concentrations were assayed from vitreous humor and blood(More)
OBJECTIVES To determine whether suicide mortality rates for a cohort of patients seen and subsequently discharged from the ED for a suicide-related complaint were higher than for ED comparison groups. METHODS This was a nonconcurrent cohort study set at a university-affiliated urban ED and Level 1 trauma center. All ED patients 10 years and older, with at(More)
OBJECTIVES The differences between pediatric (< or = 17 years of age) and adult clinical field encounters were analyzed from four deployments of Disaster Medical Assistance Teams (DMATs). METHODS A retrospective cohort review of all patients who presented to DMAT field clinics during two hurricanes, one earthquake, and one flood was conducted. Descriptive(More)
When assaying for postmortem morphine concentration, significant site sampling variability exists between central and peripheral sampling sites and even within sampling regions of the body. To study the variation, 76 suspected heroin overdoses were identified. Each had femoral artery (FA) and vein (FV), left and right ventricle and pooled heart blood(More)
The Fatality Analysis Reporting System (FARS) and the Web-based Injury Statistics Query and Reporting System (WISQARS) were used to compare fatal pedestrian crashes in American Indians and Alaskan Natives (AI/AN) between urban and rural locations for 2000-2001. There were significant differences between urban and rural crashes for driver, pedestrian,(More)
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