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Calculate Oxygen Index
To figure an O.I., enter MAP, FiO2, & PaO2 data in the boxes above,
and then click "Calculate".
O.I. = (MAP X FiO2 X 100)/PaO2
For instance, if MAP is 10, FiO2 is .70 and PaO2 55, your O.I. is slightly >12.
When the O.I. gets as high as 12 you must call the Medical Director. (Do this in anticipation of possibly achieving the study threshold level of 15.)