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HPA - hypothyroidism
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- 1What is hypothyroidismThe thyroid does not produce enough thyroid hormone
- 2Prevalence5 % of the population
- 3Risk factorsFamily history
- 4AetiologyCauses include:
Congenital defects in the gland
Loss of thyroid tissue following treatment for hyperthyroidism with surgery or radiation
Antithyroid medications
Thyroiditis
Endemic iodine deficiency
The cardiac drug amiodarine contains a high percentage of iodiine which can cause thyroid problems
Secondary hypothroidism may result from pituitary TSH deficiency or peripheral resistance to thyroid hormones - 5Basic pathophysiologyHas a slow onset, with manifestations occurring over months or even years.
When TH production decreases, the thyroid gland enlarges to produce more hormones. The goiter that results is usually simple or non toxic. - 6SymptomsGoiter
Fluid retention
Oedema
Decreased appetite
Weight gain
Constipation
Dry skin
Dyspnoea
Pallor
Hoarseness
Muscle stiffness
Decreased sense of taste and smell
Menstrual disorders
Anaemia
Cardiac enlargement
Slow pulse
Sleep apnoea - 7Abnormal vital signsHR - bradycardia, arrhythmia
BP - hypotension - 8TreatmentsHypothyroidism is treated with medications that replace TH.
Thyroxine, T4 (Levothyroxine)
Daily body weight
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- El usuario ha eliminado su información de asignaturas Fichas sobre HPA - hypothyroidism, creado por Usuario eliminado el 10/06/2018.
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- Creado por Em J · 10 jun 2018
- Copiado por Em J · 10 jun 2018
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