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transcutaneous blood gas monitoring
Indications:
1) need to monitor adequacy of arterial oxygenation &/or ventilation*
2) need to quantitate the response to diagnostic & therapeutic interventions as evidenced changes in pO2 &/or pCO2 values*
* when arterial blood gas measurement not feasible or impractical
Procedure:
- measurement of skin-surface pO2 & pCO2 to provide estimates of arterial partial pressure of oxygen & carbon dioxide (paO2 & paCO2)
The devices induce hyperperfusion by local heating of the skin pO2 & pCO2 are measured electrochemically.
Related
arterial blood gas (ABG)
General
transcutaneous laboratory monitoring