Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The temperture inside carbon dioxide absorbers.

J Lumley, M Morgan

    Anaesthesia
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Soda lime generates heat when absorbing carbon dioxide, reaching 40°C in circle systems at 24°C room temperature.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Ultrasound treatment for breast engorgement: A randomised double blind trial.

    The Australian journal of physiotherapy·2014
    Same author

    Editorial-The next 50 years.

    Annals of the Royal College of Surgeons of England·2009
    Same author

    Brief antenatal cognitive behaviour therapy group intervention for the prevention of postnatal depression and anxiety: a randomised controlled trial.

    Journal of affective disorders·2007
    Same author

    Precancerous changes in the cervix and risk of subsequent preterm birth.

    BJOG : an international journal of obstetrics and gynaecology·2006
    Same author

    Interventions for promoting smoking cessation during pregnancy.

    The Cochrane database of systematic reviews·2004
    Same author

    How useful is the concept of somatization in cross-cultural studies of maternal depression? A contribution from the Mothers in a New Country (MINC) study.

    Journal of psychosomatic obstetrics and gynaecology·2003
    Same journal

    Pulmonary artery catheters or central venous catheters for cardiac surgery: the PUMA Pilot randomised clinical trial.

    Anaesthesia·2026
    Same journal

    Opioid-free vs. opioid-inclusive anaesthesia with or without regional anaesthesia for postoperative pain.

    Anaesthesia·2026
    Same journal

    Optimal dose of intra-operative dexmedetomidine for postoperative delirium prevention: a reply.

    Anaesthesia·2026
    Same journal

    Optimal dose of intra-operative dexmedetomidine for postoperative delirium prevention.

    Anaesthesia·2026
    Same journal

    Pain control or brain protection with esketamine: a reply.

    Anaesthesia·2026
    Same journal

    A step forward for patient-centred fasting guidelines: a reply.

    Anaesthesia·2026
    See all related articles

    Area of Science:

    • Anesthesiology
    • Chemical Engineering

    Background:

    • Soda lime is crucial for carbon dioxide absorption during anesthesia.
    • Exothermic reactions can impact anesthetic gas composition and patient safety.
    • Understanding temperature variations in absorption systems is vital for clinical practice.

    Purpose of the Study:

    • To quantify temperature changes during carbon dioxide absorption by soda lime under simulated clinical conditions.
    • To compare temperature profiles between circle and 'to and fro' anesthesia circuits.
    • To assess the influence of ambient temperature on soda lime's exothermic reaction.

    Main Methods:

    • Soda lime's temperature was measured in both circle and 'to and fro' absorbers.
    • Experiments were conducted under controlled room temperatures, specifically at 24°C.

    Related Experiment Videos

  • Temperature was monitored at the center and periphery of the absorption system.

    • Main Results:

    • Soda lime absorption of carbon dioxide generated significant heat, reaching 40°C in the center of circle systems at 24°C room temperature.
    • The 'to and fro' absorber exhibited a central temperature approximately 5°C higher than the circle absorber.
    • Temperatures at the system's periphery were consistently lower than central measurements.

    Conclusions:

    • Soda lime's exothermic reaction necessitates careful monitoring of temperature within anesthesia circuits.
    • The design of the absorber system ('circle' vs. 'to and fro') influences heat distribution.
    • Continued caution is advised regarding the use of trichloroethylene with soda lime, and the lack of safety locks on new anesthetic machines is a concern.