Neonatology Book

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Newborn Abdominal Exam

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  1. See Also
    1. Umbilicus
    2. Urachus
  2. Abdominal findings
    1. Scaphoid abdomen
      1. Suggests congenital Diaphragmatic Hernia
    2. Persistent Abdominal Distention or mass
      1. Generalized distention
        1. Consider obstruction or Ascites
      2. Localized mass
        1. See Abdominal Mass in Newborns
        2. Wilms tumor
        3. Neuroblastoma
        4. Renal vein thrombosis
      3. Abdominal wall defect with evisceration
        1. Gastroschisis
        2. Omphalocele
    3. Liver
      1. See Hepatomegaly in Newborns
      2. Usually palpable 2 cm below costal margin
    4. Kidneys
      1. Usually palpable
    5. Back
      1. Midline defects
      2. Shallow sacral dimple is normal
  3. Rectum and Anus findings
    1. Anus patent and not ectopic
    2. Anal reflex (anal wink) or Cremasteric Reflex
    3. Cutaneous Signs of Dysraphism
    4. Expect meconium passed within 24-48 hours of birth
      1. Consider Hirschprung's Disease if not present

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