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Related Concept Videos

Exercise Stress Test01:26

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Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
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Continuing care describes the variety of health, personal, and social services provided over a prolonged period. The need for continuing care is increasing because people are living longer. Many people do not have families or others to care for them. Continuing care is mainly for patients who are disabled, functionally dependent, or suffering from a terminal disease. It is available within institutional settings or in homes. Examples include nursing centers or facilities, assisted living,...
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A function is continuous at a point a if three conditions are met: the function is defined at a, the limit of the function as x approaches a exists, and this limit equals the function’s value. Mathematically, this is written asThis definition ensures the graph of the function does not exhibit any breaks, holes, or jumps at that point. Discontinuities occur when any of these conditions fail. A removable discontinuity exists when the two-sided limit exists but the function is either...
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Related Experiment Video

Updated: Jan 29, 2026

Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
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Feasibility of portable continuous laryngoscopy during exercise testing.

James H Hull1, Emil S Walsted1,2, Christopher M Orton1

  • 1Dept of Respiratory Medicine, Royal Brompton Hospital, London, UK.

ERJ Open Research
|February 12, 2019
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Summary

Exercise-induced laryngeal obstruction (EILO) causes breathlessness during exercise. A portable laryngoscope can safely diagnose EILO during physical activity.

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Area of Science:

  • Sports Medicine
  • Pulmonology
  • Otolaryngology

Background:

  • Exercise-induced laryngeal obstruction (EILO) is a common cause of exertional dyspnea and wheezing.
  • Accurate diagnosis of EILO is crucial for effective management.

Purpose of the Study:

  • To demonstrate the feasibility and safety of a novel diagnostic approach for EILO.
  • To evaluate the use of a portable laryngoscope during exercise for EILO diagnosis.

Main Methods:

  • Utilized a portable laryngoscope for direct visualization of the larynx during exercise.
  • Assessed the safety and practicality of the diagnostic procedure in a clinical setting.

Main Results:

  • The diagnostic approach using a portable laryngoscope during exercise was found to be feasible.
  • The procedure was demonstrated to be safe for patients undergoing EILO assessment.

Conclusions:

  • A portable laryngoscope provides a viable and safe method for diagnosing exercise-induced laryngeal obstruction.
  • This diagnostic strategy can aid clinicians in identifying EILO in patients experiencing exertional symptoms.