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

New developments in cardiopulmonary resuscitation

J M Luce, J M Cary, B K Ross

    JAMA
    |September 19, 1980
    PubMed
    Summary

    Cardiopulmonary resuscitation (CPR) may not primarily pump blood but rather uses intrathoracic pressure to move blood. This revised understanding of CPR physiology offers new clinical insights.

    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

    Repeated simulation-based training for performing general anesthesia for emergency cesarean delivery: long-term retention and recurring mistakes.

    International journal of obstetric anesthesia·2014
    Same author

    Periods of low atmospheric pressure are associated with high abdominal aortic aneurysm rupture rates in Northern Ireland.

    The Ulster medical journal·2005
    Same author

    A prognostic model for prolonged event-free survival after autologous or allogeneic blood or marrow transplantation for relapsed and refractory Hodgkin's disease.

    Bone marrow transplantation·2005
    Same author

    Heparin-induced thrombocytopenia and the use of r-hirudin during cardiopulmonary bypass.

    Anaesthesia and intensive care·2005
    Same author

    Synergistic and antagonistic properties of selected cultures of lactic acid and propionic acid bacteria. Part II. Proteolytic activity.

    Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen)·2005
    Same author

    Synergistic and antagonistic properties of selected cultures of lactic acid and propionic acid bacteria. Part I. Fermentation activity.

    Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen)·2005

    Area of Science:

    • Cardiology
    • Physiology
    • Emergency Medicine

    Background:

    • Traditional cardiopulmonary resuscitation (CPR) models propose direct cardiac compression.
    • This view suggests the heart acts as a pump during external cardiac massage.
    • However, alternative mechanisms for CPR-induced blood flow have been proposed.

    Purpose of the Study:

    • To explore a newer concept of CPR physiology.
    • To investigate the role of intrathoracic pressure in CPR.
    • To understand blood flow dynamics during closed-chest compressions.

    Main Methods:

    • Review of existing CPR concepts and physiological principles.
    • Analysis of pressure gradients within the thorax during CPR.
    • Examination of vascular dynamics, specifically carotid and jugular veins.

    Main Results:

    • Closed-chest compression generates generalized intrathoracic pressure.
    • This pressure acts on the pulmonary vascular bed, making the heart a conduit.
    • Blood flow to the head during CPR is facilitated by pressure differences between the carotid artery and jugular vein.

    Conclusions:

    • CPR's mechanism may involve increased intrathoracic pressure rather than direct cardiac pumping.
    • The heart may function as a conduit, not primarily a pump, during CPR.
    • Understanding these physiological shifts has significant clinical implications for CPR effectiveness.

    Related Experiment Videos