High Pressure Nervous Syndrome
HeliumDuring the 1930's the U.S. Navy tested other gases as a substitute for nitrogen. Their scientists conducted experiments using rare gases such as helium, neon, and argon. After numerous trials,…
Long Term Effects of Sport Diving
As the popularity of SCUBA diving continues to grow, scientists are better able to determine what the long-term effects, if any, are on the human body. For every overt case…
Oxygen Toxicity
The effects of oxygen are increased at depth so that the maximum PO2 in diving is 1.6 ATA, and this is achieved at 218 fsw breathing air, 132 fsw breathing…
Chronic Neurological Adverse Effects of Diving
POSSIBLE NEUROLOGICAL EFFECTSThere is evidence of neuropathological changes in the CNS of some divers who, at the time of death, had had no recorded incidence of decompression illness and who…
Pseudotumor Cerebri
Diving ConcernsCondition RelatedThe pressures of diving would have no effect on the intracranial pressure. The increased intracranial pressure causes symptoms that can be confused with those of decompression sickness -…
Cerebral Hemorrhage
Diving Concerns---Condition RelatedRecurrence of condition is about 2 % in adults. Seizure activity would be a major concern, as drowning would surely ensue if this occurred underwater. Oxygen toxicity would…
Transient Ischemic Attacks
TIA's are episodes of decreased or lost consciousness due to decreased blood flow to a portion of the brain. Occurring underwater they can lead to drowning and/or arterial gas embolism.Transient…
Syringomyelia
Noncommunicating syringomyelia occurs as a complication of trauma, meningitis, hemorrhage or tumor, the cyst or syrinx developing in a segment of the spinal cord damaged by one or more of…
Spina Bifida
If you are considering taking up diving and have a spina bifida congenital defect, unless you are learning in a specialized program you are taking a great risk. There are…
Diving with Narcolepsy
Narcolepsy is a chronic disorder affecting the brain where regulation of sleep and wakefulness take place. Narcolepsy can be thought of as an intrusion of dreaming sleep (REM) into the…
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