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MCRT- Gas distribution tests

Which test would generate the following tracing? Helium dilution, Nitrogen Washout, SBN2, Body box
An early onset of phase IV, in a patient performing the SBN2 maneuver is consistent with all of the following old age, CHF, early small airway disease
How do you calculate closing capacity? closing volume + residual volume
Which disease will show the least degree of maldistribution? pulmonary fibrosis
Phase III of the SBN2 test represents exhalation of alveolar gas
Closing volume is the volume of air that can be exhaled after airway closure begins
Created by: smiddleton