When the infant can't breathe, but his heart is OK.
D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011859:Radiography; D012127:Respiratory Distress Syndrome, Newborn / Q000000981:diagnostic imaging*; D012131:Respiratory Insufficiency / Q000000981:diagnostic imaging*; D012140:Respiratory Tract Diseases / Q000000981:diagnostic imaging* / Q000601:surgery; D013997:Time Factors