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Multiple Choice

Predicted body weight for a 5'7" female?

Predicted body weight is the value used to size ventilator tidal volumes rather than the patient’s actual weight. For a female, PBW = 45.5 kg + 2.3 kg for every inch over 60 inches. A height of 5'7" is 67 inches, which is 7 inches over 60. Multiply 7 by 2.3 to get 16.1 kg, then add to 45.5 kg to get 61.6 kg. So the predicted body weight is 61.6 kg.

Predicted body weight is the value used to size ventilator tidal volumes rather than the patient’s actual weight. For a female, PBW = 45.5 kg + 2.3 kg for every inch over 60 inches. A height of 5'7" is 67 inches, which is 7 inches over 60. Multiply 7 by 2.3 to get 16.1 kg, then add to 45.5 kg to get 61.6 kg. So the predicted body weight is 61.6 kg.