A 26-year-old, 6'6", 250 lb male patient, is still under the effects of anesthesia following knee surgery. His body temperature is 37° C. He has no history of lung disease
The appropriate initial minute ventilation for this patient is which of the following?
a. 8.9 L/min
b. 9.7 L/min
c. 11.4 L/min
d. 13.6 L/min
ANS: B
First calculate ideal body weight (IBW) for a male, using the formula 106 + 6(ht – 60). This pa-tient's IBW is 97 kg. Minute ventilation is about 100 mL/kg IBW, which would be 97,000 mL/min or 9.7 L/min.
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