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Related Concept Videos

Pharmaceutical Poisoning: Potential Scenarios01:26

Pharmaceutical Poisoning: Potential Scenarios

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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...
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Anticholinesterase Agents: Poisoning and Treatment01:26

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Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
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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...
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Investigation of Disease Outbreaks01:23

Investigation of Disease Outbreaks

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Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
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Cholera01:25

Cholera

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Cholera is an acute gastrointestinal disease caused by the Gram-negative bacterium Vibrio cholerae. It is transmitted primarily via the fecal-oral route through the ingestion of contaminated water or food.Vibrio cholerae is a motile, Gram-negative bacterium of the family Vibrionaceae, primarily associated with waterborne outbreaks in areas with inadequate sanitation. Although over 200 serogroups of V. cholerae exist, only O1 and O139 are responsible for epidemic cholera. The O1 serogroup,...
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In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
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Related Experiment Video

Updated: Apr 26, 2026

Standardizing a Non-Lethal Method for Characterizing the Reproductive Status and Larval Development of Freshwater Mussels Bivalvia: Unionida
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Paralytic shellfish poisoning: a case series.

William Hurley1, Cameron Wolterstorff2, Ryan MacDonald2

  • 1Washington Poison Control Center, Seattle, Washington.

The Western Journal of Emergency Medicine
|July 19, 2014
PubMed
Summary
This summary is machine-generated.

Paralytic shellfish poisoning from contaminated mussels caused nausea, vomiting, and weakness in seven patients. Most recovered within 24 hours, highlighting the need for emergency medicine awareness.

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Area of Science:

  • Toxicology
  • Emergency Medicine
  • Public Health

Background:

  • Paralytic shellfish poisoning (PSP) is a serious public health concern.
  • Mussels can accumulate saxitoxins, potent neurotoxins responsible for PSP.

Purpose of the Study:

  • To report a case series of patients with PSP following mussel consumption.
  • To emphasize the importance of recognizing and managing PSP in emergency settings.

Main Methods:

  • Retrospective case series of seven patients presenting to an emergency department.
  • Clinical data collection including symptoms, treatment, and outcomes.

Main Results:

  • Seven patients experienced nausea, vomiting, diarrhea, weakness, ataxia, and paresthesias after eating mussels.
  • Four patients required hospitalization, one for respiratory failure necessitating endotracheal intubation.
  • All patients recovered fully, with most recovering within 24 hours.

Conclusions:

  • PSP can present with a range of gastrointestinal, neurological, and respiratory symptoms.
  • Prompt recognition and supportive care are crucial for managing PSP patients in emergency departments.
  • Emergency medicine providers must be aware of PSP risks associated with shellfish consumption.