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Grunting in neonates

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Grunting is an expiratory noise made by neonates with respiratory problems. It generally occurs throughout the expiratory phase of breathing, and represents breath against a partially closed glottis. It may be considered a self administered form of peak end expiratory pressure; by maintaining a high pressure more oxygen diffuses into the blood in the lungs.

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