The Bends - Decompression Syndromes
The Bends OverviewScuba diving has achieved remarkable popularity in the years since Jacques-Yves Cousteau and Emile Gagnon developed the demand valve regulator and portable air tank in 1943. The Professional Association of Diving Instructors (PADI) alone has certified over 5 million divers worldwide. Diving also plays a role in numerous occupations in the military, industry, and scientific research. Breathing gas under pressure can present a myriad of possible medical problems. One of these is decompression sickness or "the bends," caused by breathing nitrogen or other gases under pressure, which are not metabolized by the body.
Next: The Bends Causes » |
Women's Health
Find out what women really need.
From WebMD
First Aid Resources
Featured Centers
- Smile Fixes: Whitening, Dentures, and More
- How Bad Is Your Diet? Assess Yourself
- 12 Tips to Stay Awake Naturally
Health Solutions From Our Sponsors
Also on eMedicineHealth
Read What Your Physician is Reading on eMedicine
Decompression Sickness »
Although decompression sickness (DCS), a complex resulting from changed barometric pressure, includes high-altitude–related and aerospace-related events, this article focuses on decompression associated with the sudden decrease in pressures during underwater ascent, usually occurring during free or assisted dives.


