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Hypothyroidism - Coggle Diagram
Hypothyroidism
Manifestations
Impaired memory
Fatigue
Sensitive to cold
Dry, sparse hair/hair loss
Unexplained weight gain
Constipation
Menorrhagia
Depression
Thick, dry tongue
Hoarseness
Dry, flaky skin
Puffy hands and feet
Thick, brittle nails
Bradycardia, weak pulse
Goiter
Complications
Myxedema coma
Nonalcoholic fatty liver disease
Heart failure
Bone demineralization
Infertility
intellectual disability
Pathology
Decrease in TH production
Increased secretion of TSH
Primary: loss of thyroid tissue
Secondary: Pituitary does not secret enough TSH
Target tissue mail fail to respond to TH
Congenital or acquired
Risk Factors
Pituitary surgery or tumor
Exposure to radiation therapy to neck/head
Female
White or Mexican American
Increases with age
Iodine deficiency
Diagnostics
TSH increased
Thyroxine decreased
MRI of pituitary
CT scan
Treatment
Treatment of complications and side effects
Medication: levothyroxine sodium
Medication liothyronine sodium