title: IV. Work of breathing.
mesh_terms: D000403:Airway Resistance; D004576:Electromyography; D004947:Esophagus / Q000502:physiology / Q000503:physiopathology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D008170:Lung Compliance; D008176:Lung Volume Measurements; D011015:Pneumonia, Aspiration / Q000503:physiopathology; D011312:Pressure; D012119:Respiration; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology; D012140:Respiratory Tract Diseases / Q000503:physiopathology*; D014692:Ventilation-Perfusion Ratio; D014939:Work of Breathing