Related Experiment Video
Updated: Jul 8, 2026
09:45
Measuring Cardiac Autonomic Nervous System ANS Activity in Children
Published on: April 29, 2013
21.0K
First Real-Life Data on the Diving Response in Healthy Children
Mareike Rixen1, Johannes Weickmann1, Roman Antonin Gebauer1
1Department for Pediatric Cardiology, University of Leipzig - Heart Center, Strümpellstr. 39, 04289, Leipzig, Germany.
Pediatric Cardiology
|January 4, 2024
Summary
Children
Area of Science:
- Pediatric Physiology
- Cardiovascular Adaptations
- Diving Response
Background:
- Swimming and diving are popular for cardiovascular fitness.
- Limited data exists on cardiovascular adaptations to submersion in children.
Purpose of the Study:
- To investigate the physiological diving response in children.
- To understand cardiovascular adaptations during apnea and submersion.
Main Methods:
- Stepwise apnea protocol: rest, facial immersion, whole body submersion.
- Continuous monitoring of heart rate, oxygen saturation, and peripheral resistance index.
- Analysis of influencing factors on cardiovascular responses.
Main Results:
- Facial or whole body submersion caused a significant heart rate drop and increased peripheral resistance.
- Oxygen saturation remained largely unaffected during static apnea up to 75 seconds in most children.
- This study provides the first data on the physiological diving response in pediatric subjects.
Conclusions:
- Children exhibit a distinct physiological diving response.
- Heart rate and peripheral resistance significantly change with submersion in children.
- Further research is needed to fully elucidate the long-term cardiovascular effects.
More Related Videos
Related Concept Videos
01:23Toxicity Testing in Animals
Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
01:26Pharmaceutical Poisoning: Potential Scenarios
Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...