Hyperthyroidism

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Endocrine glands Hyperthyroidism Brain-thyroid link Thyroid gland

Overview Symptoms Treatment Prevention

Hyperthyroidism

• Weight loss
• Increased appetite
• Nervousness
• Restlessness
• Heat intolerance
• Increased sweating
• Fatigue
• Frequent bowel movements
• Menstrual irregularities in women
• Goiter (visibly enlarged thyroid) may be present

• Weakness
• Sleeping difficulty
• Clammy skin
• Skin blushing or flushing
• Bounding pulse
• Nausea and vomiting
• Lack of menstruation
• Itching - overall
• Heartbeat sensations
• Hand tremor
• Hair loss
• Diarrhea
• Breast development in men
• High blood pressure
• Protruding eyes (exophthalmos)

Vital signs (temperature, pulse, rate of breathing, blood pressure) show increased heart rate. Systolic blood pressure may be elevated. Physical examination may reveal thyroid enlargement or goiter.

Laboratory tests that evaluate thyroid function:

• Serum TSH is usually decreased
• T3 and free T4 are usually elevated

• Vitamin B-12
• TSI
• Triglycerides
• RT3U
• Radioactive iodine uptake
• Glucose test
• Cholesterol test
• Antithyroglobulin antibody

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