Medical Definition of High pressure nervous syndrome
1.
A syndrome of tremors, nausea, dizziness, and decreased motor and mental performance which develops in those who dive deeply (c. 1000 ft) usually breathing a mixture of oxygen and helium. Nitrogen is not a factor as it is in inert gas narcosis.
(12 Dec 1998)
Lexicographical Neighbors of High Pressure Nervous Syndrome
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