oxtox {scuba}R Documentation

Pulmonary Oxygen Toxicity

Description

Computes pulmonary oxygen toxicity dose for a given dive profile and breathing gas (air or nitrox).

Usage

  oxtox(d)

Arguments

d The dive profile. An object of class "dive".

Details

Computes the total dose of pulmonary oxygen toxicity from the given dive profile, by

integral of ((ppO2 - 0.5)/0.5)^0.83 dt

The maximum tolerable dose per day is usually reckoned as 1500 OTU. Allowing 650 OTU for recompression therapy implies a working maximum of 850 OTU per day.

Value

The pulmonary oxygen toxicity dose in OTU.

Warnings

Not applicable to altitude dives. Not applicable to gas mixtures other than nitrox (oxygen-nitrogen mixtures).

Author(s)

Adrian Baddeley adrian@maths.uwa.edu.au http://www.maths.uwa.edu.au/~adrian/

See Also

ead, eadtable, mod, maxmix

Examples

  # Nitrox II (36% oxygen) at 30 metres for 27 minutes
  d <- dive(nitrox(0.36), c(30,27))
  oxtox(d)

  # Same as above, followed by safety stop on 100% oxygen 
  d <- dive(nitrox(0.36), c(30,27),5, nitrox(1), c(5,5))
  oxtox(d)

[Package scuba version 1.1-5 Index]