congenital diaphragmatic hernia, 68 discontinuing resuscitative efforts, 67 induced therapeutic hypothermia, 67 –68 pneumothorax, 68 withholding resuscitation, 67 New-onset cranial nerve palsy, 927 Nicardipine, 244 –245 Nickel dermatitis, 434 Niemann–Pick disease, 314 Nifedipine, 246 Nikolsky sign, 439 , 456 Nipple discharge, 112 –113 Nitrites, 1079 Nitrofurantoin, 558 Nitrous oxide, 1079 N -methyl-D -aspartic acid (NMDA) receptors, 1378 Nocturia, 531 Nodules, 640 –641 Noise-induced trauma, 1114 Noma, 350 Nonalcoholic fatty liver disease (NAFLD), 89 Non-herpes viral encephalitis, 892 Non-Hodgkin lymphoma, 112 , 314 Nonimmune thrombocytopenia, 791 Noninfectious systemic disease, 314 Noninvasive ventilation, 35 –36 Nonionizing radiation, 700 Nonlactational mastitis/breast abscess, 110 Non-Langerhans cell histiocytosis juvenile xanthogranuloma, 351 Nonmalignant intra-abdominal masses, 1307 –1308 Nonperforated appendicitis, acute, 1290 clinical assessment, 1291 clinical recognition, 1290 –1291 evidences, 1290 management, 1291 –1293 treatment goals, 1290 triage considerations, 1291