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Related Concept Videos

Stages of General Anesthesia01:22

Stages of General Anesthesia

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Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
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Related Experiment Video

Updated: Jan 18, 2026

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers
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Difficulty Controlling Sedation Level Using Processed Electroencephalography Monitoring in a Patient With

Riko Umemoto, Satoshi Tachikawa, Daisuke Kikuchi

    Anesthesia Progress
    |September 9, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Managing anesthesia in patients with cardiovascular compromise and a severe gag reflex is challenging. Electroencephalography (EEG) monitoring for sedation control showed limitations due to fluctuating Patient State Index (PSI) values.

    Area of Science:

    • Cardiology
    • Anesthesiology
    • Neurology

    Background:

    • Patients with cardiovascular compromise risk hypotension with sedatives.
    Keywords:
    Fontan circulationFontan-associated liver diseaseGag reflexIntravenous sedationPSIPatient State IndexSedLineSevere intellectual disability

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  • Severe gag reflex in patients with intellectual disability or dental phobia necessitates deeper anesthesia.
  • Balancing sedation for gag reflex suppression without hemodynamic compromise is difficult in these patients.