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What is Nitrogen washout curve is used in and explain in detail?
C. i.e. (Functional residual capacity) (62- 63 Anesthesia - Janes - Duke 3rd)Functional residual capacity (RV + ERV)* Measuring FRC is the cornerstone for determining the remainder of the lung volumesThree different technique1. Helium equilibration /dilution2. Nitrogen wash out3. Body plethysmography* Plethysmography is most accurate for determining FRC in patients with COPD and applies Boyles law