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Related Experiment Video

Updated: May 29, 2026

Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria

Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria

Published on: July 20, 2017

Recreational diving fatalities.

Richard Vann¹, Michael Lang

¹Divers Alert Network, Durham, North Carolina, USA. rvann@dan.org

Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc

|September 1, 2011

Summary

This summary is machine-generated.

Recreational diving risks are low but can be reduced. A workshop recommended improved investigation and cardiovascular screening, especially for older divers, to enhance diving safety.

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Training Rats to Voluntarily Dive Underwater: Investigations of the Mammalian Diving Response

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Published on: November 12, 2014

Area of Science:

Diving Medicine
Public Health
Accident Prevention

Background:

Recreational diving carries inherent risks, though generally small.
The Divers Alert Network (DAN) convened a workshop to explore further risk reduction strategies.
Key areas for discussion included investigation, surveillance, operational safety, and cardiovascular disease in diving fatalities.

Purpose of the Study:

To evaluate current diving safety practices and identify areas for improvement.
To explore methods for reducing the already low risks associated with recreational diving.
To address the role of cardiovascular disease in diving-related deaths.

Main Methods:

Review of independent annual fatality rates for diving compared to other activities.
Analysis of common factors contributing to diving fatalities.
Discussion and recommendation of revised procedures for cardiovascular screening in divers.

Main Results:

Thorough investigations into diving fatalities are infrequent.
Common contributing factors include running out of gas, entrapment, buoyancy issues, equipment misuse, and environmental conditions.
Cardiac events account for approximately one-quarter of diving deaths, primarily in older individuals.

Conclusions:

While recreational diving is relatively safe, enhanced investigation and surveillance can further reduce risks.
Revised screening procedures for occult cardiovascular disease are recommended for candidate divers.
Older, previously certified divers may represent a population at higher risk, necessitating targeted attention.