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

How far is the cardiac output?

N E Haites, F M McLennan, D H Mowat

    Lancet (London, England)
    |November 3, 1984
    PubMed
    Summary
    This summary is machine-generated.

    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

    The genetic causes of the sequential occurrence of multiple primary malignancies in a young woman--5 years on.

    European journal of cancer care·2009
    Same author

    Improving the referral process for familial breast cancer genetic counselling: findings of three randomised controlled trials of two interventions.

    Health technology assessment (Winchester, England)·2005
    Same author

    Immunohistochemical detection of a germline BRCA1 mutation in a breast and ovarian cancer family.

    Breast (Edinburgh, Scotland)·2004
    Same author

    The ethical management of genetic testing.

    European journal of cancer (Oxford, England : 1990)·2003
    Same author

    Thrombolysis in peripheral general practices in Scotland: another rule of halves.

    Health bulletin·2003
    Same author

    CYP3A4 and VDR gene polymorphisms and the risk of prostate cancer in men with benign prostate hyperplasia.

    British journal of cancer·2003

    Measuring volumetric cardiac output is difficult and invasive. Linear cardiac output, measured non-invasively with Doppler ultrasound, offers a simple and reproducible alternative for assessing cardiovascular function.

    Area of Science:

    • Cardiovascular Physiology
    • Medical Ultrasound Technology

    Background:

    • Volumetric cardiac output measurement is challenging, poorly reproducible, and often unsuitable for routine clinical use.
    • Existing methods for assessing cardiovascular function are complex or invasive, limiting their application.
    • Understanding normal volumetric cardiac output ranges and serial changes is difficult due to measurement complexities.

    Purpose of the Study:

    • To introduce a simple, non-invasive, and reproducible method for assessing cardiac output at the bedside.
    • To establish linear cardiac output as a viable alternative to volumetric measurements.
    • To provide a method for monitoring cardiovascular function in a broader patient population.

    Main Methods:

    • Utilized Doppler ultrasound for non-invasive measurement of cardiovascular parameters.

    Related Experiment Videos

  • Calculated linear cardiac output by multiplying the systolic-velocity integral (stroke distance) by heart rate to derive minute distance.
  • Assessed the utility of minute distance as an indicator of cardiac output in the absence of aortic disease.

    • Main Results:

    • Linear cardiac output can be measured simply, non-invasively, and reproducibly at the bedside using Doppler ultrasound.
    • Minute distance, derived from stroke distance and heart rate, serves as a direct indicator of cardiac output.
    • This method allows for effective tracking of serial changes in cardiac output.

    Conclusions:

    • Linear cardiac output measurement via Doppler ultrasound is a practical and reliable alternative to volumetric methods.
    • Minute distance provides an absolute indication of cardiac output, valuable for clinical assessment and monitoring.
    • This technique enhances the ability to evaluate cardiovascular function in a wide range of patients.