PaO2 and PaCO2

05/09/2026 by Bob Dunn

All instances of PO2 and PCO2 in the manual have been updated to PaO2 and PaCO2 whenever relevant to prevent readers thinking that PO2 and PCO2 may mean venous PO2 or PCO2.

Categories Updates Tags Respiratory, Resuscitation

Ensuring extent of neuromuscular paralysis is measured and reversed prior to extubation

Blood gas calculations require PaCO2 or PaO2 values, not venous PCO2 or PO2 values

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Associate Professor Robert Dunn

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Associate Professor Meredith Borland
Dr Deborah O'Brien
Dr Stuart Dilley
Dr Jennifer Brookes
Associate Professor Deborah Leach

Formula of the day

Emergency umbilical catheter insertion length in a term newborn - 5cm + stump length

Medical wisdom

'First do no harm' is not helpful when doing nothing causes harm.

The version of the Manual I use the most is

Version 1
Version 2
I use both versions roughly equally

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