Myxoedema is the metabolic decompensation due to reduced thyroid hormone uptake. This condition is very rare in pediatric age.
The main symptoms are drowsiness, lethargy, hypoventilation, hypothermia, and coma. Immediate procedures to be performed are heat support, maintenance of respiration, and maintenance of circulation.
Examinations and monitoring
Tests to be performed immediately are: arterial PH, CBC, azotemia, blood glucose, electrolytes, transaminases, TSH, FT3, FT4, T3, T4.
Clinical monitoring with cardiology checks, psychological evaluation, and regression of symptoms is necessary. Regarding instrumental and laboratory monitoring perform thyroid function tests, ultrasonography, thyroid gland scintigraphy, brain MRI.
Source: Mediserve‘s Medical Emergencies in Pediatrics.
