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

Videodensitometry and thermodilution for measuring left ventricular function

U Erikson, G Helmius, K Pavek

    Acta Radiologica: Diagnosis
    |January 1, 1980
    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

    Quality grading of Atlantic salmon (Salmo salar) by computer vision.

    Journal of food science·2008
    Same author

    Atlantic salmon skin and fillet color changes effected by perimortem handling stress, rigor mortis, and ice storage.

    Journal of food science·2008
    Same author

    Computer vision-based evaluation of pre- and postrigor changes in size and shape of Atlantic cod (Gadus morhua) and Atlantic salmon (Salmo salar) fillets during rigor mortis and ice storage: effects of perimortem handling stress.

    Journal of food science·2008
    Same author

    Computer vision-based sorting of Atlantic salmon (Salmo salar) fillets according to their color level.

    Journal of food science·2007
    Same author

    Optimization of ECG gating in quantitative femoral angiography.

    Acta radiologica (Stockholm, Sweden : 1987)·2003
    Same author

    Allergic reactions at repeat femoral angiography with ioxaglate.

    Acta radiologica (Stockholm, Sweden : 1987)·2001
    Same journal

    Cardiovascular responses to the intracarotid injections of ionic contrast media and iohexol in the dog.

    Acta radiologica: diagnosis·1986
    Same journal

    Computed chest tomography in rats with pulmonary damage due to microembolism.

    Acta radiologica: diagnosis·1986
    Same journal

    Value of bone scan in the McCune-Albright syndrome. Report of a case.

    Acta radiologica: diagnosis·1986
    Same journal

    Inadvertently performed hysterosalpingography during early pregnancy.

    Acta radiologica: diagnosis·1986
    Same journal

    Barium and meat. A comparison between pharyngeal swallow of fluid and solid boluses.

    Acta radiologica: diagnosis·1986
    Same journal

    Pharyngeal swallowing in patients with paresis of the recurrent nerve.

    Acta radiologica: diagnosis·1986
    See all related articles

    Physiologic saline and contrast medium are equivalent for thermodilution measurements in animals. However, thermodilution may overestimate cardiac output compared to videodensitometry.

    Area of Science:

    • Cardiovascular physiology
    • Medical imaging techniques
    • Diagnostic procedures

    Background:

    • Accurate measurement of cardiac output and ejection fraction is crucial for assessing heart function.
    • Thermodilution and videodensitometry are common methods for evaluating cardiac performance.
    • Indicator substances used in thermodilution require careful selection for reliable results.

    Purpose of the Study:

    • To compare the efficacy of contrast medium and physiologic saline as indicator substances in animal thermodilution studies.
    • To evaluate the accuracy of thermodilution in determining ejection fraction compared to videodensitometry.
    • To assess the agreement between thermodilution and videodensitometry for cardiac output measurements.

    Main Methods:

    • Animal experiments were conducted to assess indicator substances for thermodilution.

    Related Experiment Videos

  • Ejection fraction was determined using both thermodilution and videodensitometry.
  • Cardiac output was measured using both thermodilution and videodensitometry.

    • Main Results:

    • Contrast medium and physiologic saline demonstrated equivalent performance as indicator substances in thermodilution.
    • Ejection fraction measurements showed comparable accuracy between thermodilution and videodensitometry.
    • Cardiac output values obtained via videodensitometry were consistently lower than those from thermodilution.

    Conclusions:

    • Thermodilution and videodensitometry provide similar accuracy for ejection fraction assessment.
    • Thermodilution may yield higher cardiac output values compared to videodensitometry.
    • The findings suggest a potential overestimation of cardiac output by the thermodilution method.