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Related Concept Videos

Toxicokinetics: Overview01:21

Toxicokinetics: Overview

Studies that assess how a drug is absorbed, distributed, metabolized, and excreted (ADME) at toxic doses are termed toxicokinetics. Understanding toxicokinetics helps predict adverse drug reactions (ADRs) and manage toxicity in humans.Toxicokinetics differs from pharmacokinetics mainly in the dose levels studied, with toxicokinetics focusing on higher toxic doses. The kinetics at these levels can be non-linear due to altered physiological processes. Toxicodynamics examines the relationship...
Toxicity Testing in Animals01:23

Toxicity Testing in Animals

Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
Pharmaceutical Poisoning: Treatment Strategies01:26

Pharmaceutical Poisoning: Treatment Strategies

Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Therapeutic Drug Monitoring: Drug Analysis Methods01:26

Therapeutic Drug Monitoring: Drug Analysis Methods

Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...
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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

Updated: May 7, 2026

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
10:17

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry

Published on: April 23, 2019

Utilization management in toxicology.

Yan Zhang1, Tai C Kwong

  • 1Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY, United States.

Clinica Chimica Acta; International Journal of Clinical Chemistry
|October 5, 2013
PubMed
Summary

Clinical toxicology testing is crucial for emergency departments and pain management. Optimizing test utilization requires understanding methodologies, drug metabolism, and clear communication for effective patient care.

Keywords:
11-nor-9-carboxy(∆9)tetrahydrocannabinol2-ethylidene-1,5-dimethyl-3-3-diphenylpyrrolidine3,4-methylenedioxyamphetamine3,4-methylenedioxymethamphetamineCLIAClinical Laboratory Improvement AmendmentsEDEDDPEGEmergency departmentHCPCSHPLCHealthcare Common Procedure Coding SystemLCMDAMDMAMSPOCTPain managementReimbursementTATTHCCOOHToxicologyUDTUrine drug testingUtilization managementemergency departmentethylene glycolhigh pressure (performance) liquid chromatographyliquid chromatographymass spectrometrypoint-of-care testingturnaround timeurine drug testing

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Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
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High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)
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High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)

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Last Updated: May 7, 2026

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Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
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High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)
11:38

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)

Published on: May 10, 2016

Area of Science:

  • Clinical Chemistry
  • Toxicology
  • Laboratory Medicine

Background:

  • Rising prescription drug and illicit substance abuse necessitates enhanced toxicology testing.
  • Clinical laboratories face challenges in managing toxicology test utilization for emergency and pain management settings.

Purpose of the Study:

  • To review the challenges in clinical toxicology testing utilization.
  • To discuss strategies for optimal test selection and timely result delivery in emergency departments.
  • To examine the role of urine drug testing in chronic pain management and patient compliance.

Main Methods:

  • Review of current practices in clinical toxicology testing.
  • Discussion of tiered testing systems and turnaround time requirements.
  • Analysis of factors influencing test selection, including performance characteristics and reimbursement.

Main Results:

  • Optimal emergency department toxicology testing requires appropriate test selection and rapid results.
  • Urine drug testing is vital for monitoring compliance in chronic pain patients.
  • Understanding test performance, drug metabolism, and reimbursement is key for effective utilization.

Conclusions:

  • Effective toxicology test utilization hinges on analytical and clinical interpretation.
  • Collaboration and communication among healthcare professionals, patients, and lab professionals are essential.
  • Addressing challenges in toxicology testing supports better patient outcomes in emergency and pain management contexts.