Underwater Hypoxic Blackout (also known as shallow water blackout) happens when low oxygen levels suddenly cause a person to faint underwater. It often occurs after prolonged breath-holding, especially if (intentionally or unintentionally) hyperventilating beforehand. More @Wikipedia
Get the latest news about Shallow Water Blackout from the top news sites, aggregators and blogs. Also included are videos, photos, and websites related to Shallow Water Blackout.
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.