Hello Readers:
Recompression Therapy
A century ago [e.g., Brooklyn Bridge], divers noted that reentering the caisson relieved and sometime cured their DCS. Repress was necessary as that was their job, and information was sparse in the 1800s.
In-water recompression has many problems, and these have been addressed by the many SCUBA BOARD responders before me. I do not feel it is a good idea for reasons already given. There are difficulties in SCUBA site location. Some recreational divers like untouched sites; and currently these are almost always very remote. In addition, one needs a satellite phone
Repetitive Diving Can Mask DCS
In table testing, a sufficient surface interval between repetitive dives is allowed to permit DCS to develop. Quick repress for another dive would mask developing DCS. There is suspicion that SCUBA divers might also mask symptoms though such a thing might be unbeknownst to them. [Thus, the true frequency of DCS in the field becomes more obscure. ]
Surface Oxygen Is VERY USEFUL Oxygen
Oxygen is very helpful for reducing the radii of gas bubbles in the venous system. I have personally seen this by examining the veins of rats and rabbits following decompression in the laboratory. This can be then applied to a Doppler ultrasound device, and this in turn can be used to check pigs, sheep, and human test subjects. Numerous venous bubbles can cause pulmonary problems [with large bubble radius and very numerous]
Dr Deco :doctor: