Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Pros and cons of noninvasive tidal midexpiratory flow measurement
| pros | cons |
| • based on physiological principles | • underestimation of the magnitude of airway responsiveness as compared with direct measures of pulmonary mechanics |
| • acceptable agreement with simultaneous invasive measurements of pulmonary mechanics | • restraint by neck collar |
| • physical meaning enables comparability of data from animal to animal |
