A simple technique to characterize proximal and peripheral nitric oxide exchange using constant flow exhalations and an axial diffusion model.


The most common technique employed to describe pulmonary gas exchange of nitric oxide (NO) combines multiple constant flow exhalations with a two-compartment model (2CM) that neglects 1) the trumpet shape (increasing surface area per unit volume) of the airway tree and 2) gas phase axial diffusion of NO. However, recent evidence suggests that these features… (More)

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