Pediatric emergency medicine trisk 1200

Lymphadenopathy, 253 –254 , 314 , 421 , 847 , 1347
causes, 307 –313 , 310 t
cervical, 307 –312
definition, 307
differential diagnosis, 307
evaluation and decision, 315 –316
generalized, 313 –314
of head and neck, 312
of iliac nodes, 313
life-threatening, 314 –315
mechanism of, 307
Lymphatic malformations (LMs), 347 , 1351 –1352
Lymph node abscess, 311 f
Lymph nodes
of body, 309 f
of head and neck, 308 f
Lymphocytic thyroiditis, 1348
Lymphocytosis, 309
Lymphogranuloma venereum, 312
Lymphoma, 317
Lymphonodular hyperplasia, 218
Lysergamides (LSD), 1072 –1073

M
Mackler triad, 369
Macrophage activation syndrome (MAS), 997 , 1018 –1019
Magic mouthwash, 1316
Magnesium sulfate, 56 t
Magnetic resonance cholangiopancreatography (MRCP), 293
Magnet ingestions, 210
Major burns

clinical assessment, 1098 –1099
clinical recognition, 1098
evidences, 1098
management
antibiotics, 1100
blisters, 1101


breathing, 1099
circulation, 1099
disposition, 1101
dressing, 1101 –1102
escharotomy, 1100
fluid resuscitation, 1099 –1100
pain, 1100 –1101
tetanus, 1100
wound care, 1100
treatment goals, 1098
triage considerations, 1096 t, 1098
Malabsorption, 89
Malgaigne fractures, 1196
Malignant hyperthermia, 120
Malignant intra-abdominal masses, 1308 –1309
Malignant tumors, 909
Mallory-Weiss tears, 728
Malrotation, 552 , 1301 f
of bowel with volvulus, 1299 –1302 , 1300 f–1301 f
evidences, 1300
initial assessment, 1300 –1301
management, 1301 –1302

treatment goals, 1299 –1300
Mammary duct ectasia, 112
Mammalian bites, 720 –722
clinical considerations, 720
clinical recognition, 720 –721
dog attack, 720
management, 721
treatment, goals of, 720
wounds, 720
Mandible fracture, 1123 –1124 , 1124 f
anatomy of, 1124 f
Mania, 96 –97
“DIG FAST” mnemonic for, 97 t
Mania/bipolar disorder, 1439
emergency treatment, goals of, 1439


initial assessment, 1439
management, 1439
Mannitol, 657 , 1388
Maple syrup urine disease, 333
Marcus Gunn pupil, 187 , 190
Marfanoid body habitus, 522
Marfan syndrome, 325 , 330 , 362 , 369
Marijuana and synthetic cannabinoids, 337
ataxia from, 108 , 108 t
Marijuana smoking, 1073 –1074
Marine invertebrates
coelenterata phylum (cnidaria), 706 –707
anthozoa, 707

hydrozoa, 707
scyphozoa, 707
echinodermata phylum, 707 –708
Marine vertebrates, 708 –709
catfish, 709
scorpaenidae, 708 –709
sharks, 708
stingrays, 708
Masks, 49 –50
Masses in aerodigestive tract, 909
Mass lesions, 482
Mastalgia, 114
Mastitis, 110 , 111 t, 112 –113
Mastocytomas, 465
Mastocytosis, 445 –446 , 446 f
Mastoiditis, 157
McCune–Albright syndrome, 466
MDMA (Ecstasy), 1074 –1075
Mean corpuscular volume (MCV), 419 , 423 , 423 t
Measles, 643 , 847
Measles (rubeola), 313
Measles encephalitis, 891
Measles virus, 475
Meatal stenosis, 1335


Mechanical intestinal obstruction, 87
Mechanical obstruction, 87
Mechanical ventilation, 50 , 84
Meckel’s diverticulum, 213 , 218 –220 , 358 , 552 –553 , 1306 , 1306 f

Medial clavicle fractures, 1284
Medial collateral ligament (MCL) injuries, 277
Medial epicondyle fractures, 1188 –1189 , 1189 f
Mediastinal mass, 320
Medical illness, screening tests, 1429 t
Medroxyprogesterone injections, 343
Megaloblastic anemia, 417
Meige disease (lymphedema praecox), 164
Melanocytic lesions, 466
Melanoma, 466
Melanotic neuroectodermal tumor, 351 , 351 f
Melena, 213
Membranoproliferative glomerulonephritis (MPGN), 982
Ménière disease, 159
Meningitis, 202 , 1387 , 1387 t, 1389
Meningococcemia, 233
Meningoencephalitis, 891
Meninscus sign, 1413
Menometrorrhagia, 536
Menstrual cycle, normal, 535 –536
Mental impairment, 120
Mesenteric cysts, 1307 –1308
Mesenteric lymphadenitis (ML), 744
Metabolic acidosis, 121 , 482 , 570 , 970 , 972 –973 , 976 –978 , 977 t,
1035 , 1042 , 1044 –1048 , 1050 , 1052 , 1054
Metabolic alkalosis, 121 , 978 , 978 t
Metabolic disorders, 333 –337 , 336 t, 1177
Metabolic emergencies
aminoacidopathies, 874
carbohydrate disorders, 878

emergency therapy, goals of, 862
fatty acid oxidation defects, 877 –878
inborn errors of metabolism (IEMs), 862 –864 , 863 t–867 t