Calculate the airway resistance (Rₐᴡ)using the information from the scalar below.

A) 0.9 cm H₂O/L/sec
B) 1.1 cm H₂O/L/sec
C) 22.4 cm H₂O/L/sec
D) 60 cm H₂O/L/sec

Question

Calculate the airway resistance (Rₐᴡ)using the information from the scalar below.

A) 0.9 cm H₂O/L/sec 
B) 1.1 cm H₂O/L/sec 
C) 22.4 cm H₂O/L/sec 
D) 60 cm H₂O/L/sec

Quizplus · Accepted Answer

Airway resistance (Rₐᴡ)= Peak inspiratory pressure (PIP)- Plateau pressure (Pₚₗₐₜₑₐᵤ)/flow (L/sec).PIP = 40 cm H₂O; Pₚₗₐₜₑₐᵤ = 25 cm H₂O; flow = 40 L/min or 0.67 L/sec; Rₐᴡ = 15/0.67 = 22.4 cm H₂O/L/sec.

Calculate the Airway Resistance (Rₐᴡ)using the Information from the Scalar