Hypothyroidism

-inadequate thyroid hormone secretion

Causes:
1. Pituitary deficiency of Thyroid stimulating hormone (TSH)
2. Thyroid gland malfunction

-TSH measurement will differentiate between the two causes

Symptoms:

-Reduced metabolism
-Endemic goiter (non functional)
-Pale, cool, edematous
-Cold intolerant
-Slow heart rate (bradycardia)
-Lethargic
-Decreased appetite/weight gain

Treatment:

Thyroxine

Forms of hypothyroidism:

• Hashimotos thyroiditis
  -Autoimmune disease of thyroid
• Myxedema
  -Adult onset
• Cretinism
  -Undiagnosed congenital hypothyroidism
  -Mental retardation; growth restriction
  -Neonatal screening now standard