Grunting

From WikiLectures

Grunting is a pathological listening finding that belongs to the so-called distance phenomena (sounds audible even from a distance, without a stethoscope). It typically occurs in immature infants with respiratory distress syndrome. It is created by squeezing the voice slit during exhalation in an effort to reflexively prevent lung collapse by trapping air in the lungs and increasing the functional residual capacity of the lungs.[1]

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  1. LEBL, Jan – PROVAZNÍK, Kamil – HEJCMANOVÁ, Ludmila. Preklinická pediatrie. 2. edition. Prague : Galén, 2007. pp. 109. ISBN 978-80-7262-438-6.