Tracking respiratory therapy in the trauma patient.


The respiratory index (RI), P(AaDO2)/PaO2, was investigated in a retrospective study of 177 intubated patients treated at the Maryland Institute for Emergency Medicine. An RI of 0.1 to 0.37 is normal. Patients with an RI of 2 or greater were intubated. Those patients who reached an RI of 6 or more had an associated 12 per cent probability of survival. The… (More)


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