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Related Experiment Videos

Heart rate response to cough

J Y Wei, W S Harris

    Journal of Applied Physiology: Respiratory, Environmental and Exercise Physiology
    |October 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Coughing can rapidly assess heart rate acceleration capacity. This noninvasive method measures the heart

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    Area of Science:

    • Cardiology
    • Physiology

    Background:

    • The cardioacceleratory capacity is a vital reflex for survival.
    • Assessing this capacity noninvasively is crucial for clinical evaluation.

    Purpose of the Study:

    • To determine if the heart rate response to cough-induced intrathoracic pressure changes can serve as a reliable index of cardioacceleratory capacity.

    Main Methods:

    • Twenty-seven healthy adults in a supine position underwent measurements of heart rate response.
    • Three forceful coughs were performed over a 3-second period.
    • Heart rate was monitored to assess changes following the coughs.

    Main Results:

    • A significant increase in mean instantaneous heart rate was observed post-cough (72 to 94 beats/min).

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  • The maximal heart rate change reached 31% (P < 0.001).
  • The response pattern was reproducible within and consistent among subjects.

    • Conclusions:

    • The heart rate response to cough-generated intrathoracic pressure transients offers a quantitative, noninvasive estimate of cardiac acceleration capacity.
    • This method provides a reliable and rapid index for assessing the integrity of this important reflex.