Answer :
Final answer:
The appropriate initial minute ventilation for a patient under anesthesia depends on various factors, including the patient's body weight, height, and body temperature. In this case, we have a 47-year-old female patient who is 5'6" tall and weighs 112 lb. To calculate the appropriate minute ventilation, we need to adjust the patient's body weight based on the body surface area (BSA) using the DuBois formula. Since the question does not provide the respiratory rate or tidal volume, we cannot calculate the exact minute ventilation. The appropriate initial minute ventilation would depend on the specific respiratory rate and tidal volume prescribed by the anesthesiologist.
Explanation:
To determine the appropriate initial minute ventilation for a patient under anesthesia, we need to consider the patient's body weight, height, and body temperature. In this case, we have a 47-year-old female patient who is 5'6" tall and weighs 112 lb. She is still under the effects of anesthesia following a hysterectomy and has a body temperature of 37° C.
To calculate the appropriate initial minute ventilation, we first need to adjust the patient's body weight based on the body surface area (BSA) using the DuBois formula. The DuBois formula for BSA is:
BSA (m²) = 0.007184 x Height (cm)^0.725 x Weight (kg)^0.425
Using the patient's height of 5'6" (which is approximately 167.64 cm) and weight of 112 lb (which is approximately 50.8 kg), we can calculate the BSA:
BSA = 0.007184 x 167.64^0.725 x 50.8^0.425
After calculating the BSA, we can then determine the appropriate minute ventilation using the formula:
Minute Ventilation (L/min) = Adjusted Body Weight (kg) x Respiratory Rate (breaths/min) x Tidal Volume (L/breath)
Since the question does not provide the respiratory rate or tidal volume, we cannot calculate the exact minute ventilation. However, we can eliminate answer choices based on the given information. The appropriate initial minute ventilation for this patient would depend on the specific respiratory rate and tidal volume prescribed by the anesthesiologist.
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