THE FREEDIVER'S VEST FOR THE MANAGEMENT OF SHALLOW WATER BLACKOUT
Well-trained freedivers who know the risks of shallow water blackout (SWB) die at an alarming and predictable rate. The vast majority of SWB victims are found on the bottom with their weight belt firmly in place. Why is this?

For some answers, download one of the two Adobe pdf files linked below.

yosh_sm.jpg (31218 bytes)
Brian Yoshikawa mimics shallow water blackout
Screen version: THE CASE FOR A DEVICE TO MANAGE FREEDIVER BLACKOUT
Print version (1.13 megabytes) THE CASE FOR A DEVICE TO MANAGE FREEDIVER BLACKOUT