Facemasks as Good as Mouthpieces for Breathing Tests in Young Children, Study Finds
Facemasks are just as good as mouthpieces and noseclips for breathing test measurements in preschool-age children, a study found. Multiple breath washout (MBW), a test that uses this equipment, measures lung function, making it possible to detect early lung disease. The study, “Comparison of facemask and mouthpiece…