High Pressure Neurological Syndrome

A syndrome related to increased atmospheric pressure and characterized by tremors, nausea, dizziness, decreased motor and mental performance, and SEIZURES. This condition may occur in those who dive deeply (c. 1000 ft) usually while breathing a mixture of oxygen and helium. The condition is associated with a neuroexcitatory effect of helium.

Year introduced: 2000(1986)

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Tree Number(s): C10.228.566, C24.410

MeSH Unique ID: D006610

Entry Terms:

• High Pressure Nervous Syndrome
• High Pressure Neural Syndrome
• HPNS
• HPNSs
• Experimental High Pressure Neurological Syndrome
• High Pressure Neurological Syndrome, Experimental

Previous Indexing:

• Atmospheric Pressure (1966-1985)
• Central Nervous System Diseases (1966-1985)
• Diving (1966-1985)
• Pressure (1966-1985)
• Syndrome (1972-1985)

See Also:

• Barotrauma
• Decompression Sickness
• Diving

All MeSH Categories
Diseases Category
Nervous System Diseases
Central Nervous System Diseases
High Pressure Neurological Syndrome

All MeSH Categories
Diseases Category
Occupational Diseases
High Pressure Neurological Syndrome