A 47-year-old, 5'6", 112 lb female patient, is still under the effects of anesthesia following a hys-terectomy. Her body temperature is 37° C. She has no history of lung disease
The appropriate initial minute ventilation for this patient is which of the following?
a. 5.1 L/min
b. 6.1 L/min
c. 11.2 L/min
d. 13.5 L/min
ANS: B
First calculate ideal body weight (IBW) for a female, using the formula 105 + 5(ht – 60). This patient's IBW is 51 kg. Minute ventilation is about 100 mL/kg IBW, which would be 51,000 mL/min or 5.1 L/min.
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