Ms. Clark, who is 42 year old, presented in the ER with chest pain, persistent cough and shortness of breath. Her ideal

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Ms. Clark, who is 42 year old, presented in the ER with chest
pain, persistent cough and shortness of breath. Her ideal body
weight is 110 lbs and she was initially placed on simple mask of
45% on a day where PB = 760mmHg.
Her VT = 550 ml and f = 18 bpm. Blood gas and CBC were obtained
by the ER nurse and are shown below:
pH = 7.34
PaCO2 = 55 mmHg
PaO2 = 70 mmHg
HCO3 = 33 mEq/L
HCT = 36%
PvO2 = 51 mmHg
SaO2 = 92%
SvO2 = 75%
CO = 4.8 LPM
What is her Oxygen consumption?
a. 250 ml/min
b. 135 ml/min
c. 164 ml/min
d. 144 ml/min