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Related Concept Videos

Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
Drug Toxicity: Risk factors01:24

Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
Acute Respiratory Failure-I01:21

Acute Respiratory Failure-I

Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...

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Related Experiment Video

Updated: Jul 10, 2026

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device
09:36

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device

Published on: September 24, 2020

A fatality from sevoflurane abuse.

Barry Levine1, Dawn Cox, Rebecca A Jufer-Phipps

  • 1Office of Chief Medical Examiner, State of Maryland, 111 Penn St., Baltimore, Maryland 21201, USA. blevi001@umaryland.edu

Journal of Analytical Toxicology
|November 9, 2007
PubMed
Summary
This summary is machine-generated.

Sevoflurane abuse led to a 47-year-old man's death from cardiac arrhythmia. Toxicology confirmed high sevoflurane blood levels, with no other substances detected, indicating anesthetic toxicity as the cause.

Related Experiment Videos

Last Updated: Jul 10, 2026

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device
09:36

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device

Published on: September 24, 2020

Area of Science:

  • Toxicology
  • Forensic Pathology
  • Anesthesiology

Background:

  • Anesthetic agents like sevoflurane are primarily used for surgical anesthesia.
  • Volatile anesthetic abuse, though rare, can lead to severe health consequences.

Observation:

  • A case study details a 47-year-old male found deceased.
  • Autopsy revealed cardiomegaly and no other substances in heart blood besides sevoflurane.

Findings:

  • Headspace gas chromatography-mass spectrometry confirmed sevoflurane in heart blood at 16 mg/L and peripheral blood at 8.0 mg/L.
  • The medical examiner determined the cause of death as cardiac arrhythmia secondary to sevoflurane toxicity.
  • Cardiomegaly was noted, contributing to the overall clinical picture.

Implications:

  • This case highlights the potential lethal toxicity of sevoflurane when abused.
  • It underscores the importance of comprehensive toxicological screening in unexplained deaths.
  • Forensic analysis and accurate reporting are crucial for understanding anesthetic-related fatalities.