2min chapter

TED Radio Hour cover image

Breathe

TED Radio Hour

CHAPTER

How to Over-Pack for a Dive

At 10 minutes before go time, Tanya is mounted on her sled and the safety divers are waiting in the water. Then with two minutes to go, it's just Tanya and her husband left at the surface. So I've done the long slow inhales. I have put as much oxygen into my blood and my tissue as possible. And the long slow exhale has reduced the amount of CO2 in my system as much as possible. But in the case of this particular dive, I actually over-packed. I did what I trained not to do. And I just blacked out.

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