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Figure 70-4
PaO2
during
unilateral lung lavage under hyperbaric conditions in eight patients. The open
circles represent measured PaO2
at various ambient pressures (abscissa). Solid circles
represent the predicted PaO2
at 1 ATA,
calculated on the assumption of a constant PaO2
/PAO2
ratio.[64]
It can be seen that six of the eight
patients would have had PaO2
values less
than 50 mm Hg had the procedure been performed at atmospheric pressure.
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