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Related Concept Videos

Pharmaceutical Poisoning: Potential Scenarios01:26

Pharmaceutical Poisoning: Potential Scenarios

Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...
Drug Toxicity: Overview01:00

Drug Toxicity: Overview

Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
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Drug Accumulation During Multiple Dosing: Repetitive IV Injections

Calculating drug dosage and accumulation in multiple-dose regimens is crucial for achieving therapeutic efficacy while avoiding toxicity. This involves determining the plasma drug concentrations over time to optimize dosing schedules. The principle of superposition is fundamental in this process, allowing for the prediction of drug concentration in plasma following multiple doses based on single-dose data.The principle of superposition asserts that the plasma concentration-time curves from...
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Drug Dosing: Obese Patients

In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
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Drug Toxicity: Dose-Dependent Reactions

Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
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Related Experiment Video

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Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
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Published on: October 2, 2016

[Overdose statistics--a complicated account].

Thomas Clausen1, Ingrid Amalia Havnes, Helge Waal

  • 1Senter for rus- og avhengighetsforskning, Universitetet i Oslo, Kirkeveien 155, 0407 Oslo, Norway.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|November 10, 2009
PubMed
Summary
This summary is machine-generated.

Police statistics show a rise in overdose deaths, but many are misclassified. Improved registration methods are needed to accurately track drug-related fatalities and inform prevention strategies.

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Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
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Published on: April 23, 2019

Area of Science:

  • Public Health
  • Forensic Science
  • Epidemiology

Context:

  • Norwegian media reports a high number of overdose deaths.
  • Police statistics from 2007 indicated an increase in overdose fatalities.
  • Media coverage intensified in autumn 2008 regarding these statistics.

Purpose:

  • To investigate the basis of police statistics on overdose deaths.
  • To discuss challenges in calculating deaths due to illegal substance use.
  • To analyze the accuracy of overdose death registrations in Norway.

Summary:

  • A significant number of deaths registered as overdoses did not involve illegal substances.
  • Changes in registration practices in Oslo contributed to the 2007 increase in reported overdose deaths.
  • Methodological issues in registration significantly impact overdose death statistics.

Impact:

  • Highlights the need for better discrimination of causes of death in overdose statistics.
  • Emphasizes the importance of accurate data for effective preventive strategies.
  • Suggests that current overdose death figures may be inflated due to registration problems.