[Expert Solution]: Child 1 year 2 months

Child 1 year 2 months. Do not walk, sit unstable, do not speak. Flabby, inactive. Born from pregnancy and normal delivery. Body weight at birth – 4300 g, length – 52 cm. In the hospital there was protracted jaundice, pastosity, late ablation of the umbilical cord residue, poor weight gain. The head began to keep from 6 months, to sit – from 1 year. The mother of the second stage of myopia, not examined, did not receive treatment. At inspection: The state is broken. Flabby, restrained, swollen. Wide hovering, saddle-shaped nose. A tongue is big, put out of your mouth. The voice is rude. No teeth. Skin pale, with a yellowish tinge, dry. Burning breath. Tones of the heart are rhythmic, weakened, bradycardia. The abdomen is large, flattened. Liver +2 cm Constipation. Thyroid gland is not palpable. Observed by the district pediatrician. Treated with vitamins.Total blood count: Hb-95 g / l, red blood cells – 3.9 T / L, color index – 0.80, leukocytes – 8.0 G / l: p-1%, c-52%, e-3, L-38%, m-6%, ESR – 8 mm / h. General urine analysis: color – yellow, clear, relative density – 1015, reaction – acid, protein – no, sugar – no, acetone – absent.Biochemical blood test: glucose 4.5 mmol / l, sodium 132 mmol / l, potassium 5.0 mmol / l, total protein 60.0 g / l, cholesterol 6.8 mmol / l.Answer the questions:1. Is the doctor’s pediatrician’s correct tactics correct? 2. The most likely diagnosis in a child? 3. Evaluate the results of the research.4. What research could perceive early diagnosis?5. Principles of treatment