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Related Concept Videos

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...
Drug Toxicity: Dose-Dependent Reactions01:24

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...
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...
Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Effects of Chemicals: Overview01:27

Effects of Chemicals: Overview

Drugs, encompassing various chemical compounds from natural sources, lab synthesis, or genetic engineering, elicit different biological responses in living organisms. Some of these responses are desirable or therapeutic, while others are undesirable. The primary goal of administering a drug is to achieve a therapeutic effect, that is, to address a specific disease or health condition. Any concurrent effects outside of this therapeutic outcome are considered undesirable. These undesirable...
Toxic Reactions: Overview01:26

Toxic Reactions: Overview

When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...

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Related Experiment Videos

"Iatrogenicity cascade": doing harm by treating harm?

Claudia Christina Wagner1, Jerome Biollaz, Markus Zeitlinger

  • 1Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria. claudia.c.wagner@meduniwien.ac.at

Wiener Medizinische Wochenschrift (1946)
|February 20, 2009
PubMed
Summary
This summary is machine-generated.

Doctors recognizing prescription errors do not increase treatment intensity for substance-induced epileptic crisis. This study suggests inappropriate prescriptions do not lead to greater therapeutic aggressiveness in medical professionals.

Related Experiment Videos

Area of Science:

  • Neurology
  • Clinical Pharmacology
  • Medical Education

Background:

  • Investigating the
  • iatrogenicity cascade
  • in substance-induced epileptic crisis management.

Observation:

  • Doctors surveyed received randomized clinical vignettes describing iatrogenic or non-iatrogenic epileptic crises.
  • The study examined if recognizing prescription errors influences therapeutic aggressiveness.

Findings:

  • Results indicate that inappropriate prescription practices do not correlate with increased therapeutic aggressiveness among the surveyed doctors.
  • No evidence of an iatrogenicity cascade initiated by physician awareness of prescription errors was observed.

Implications:

  • Findings challenge the hypothesis that physician awareness of prescription errors escalates treatment intensity.
  • Suggests a need to re-evaluate assumptions about physician behavior in response to iatrogenic events.