What are the causes of hyperthyroidism?

Mechanism Primary Hypothyroidism Loss of functional thyroid tissue Functional defects in thyroid hormone synthesis and release Secondary Hypothyroidism Loss of functional hypothalamic or pituitary tissue Functional defects in TSH synthesis and release Peripheral...

What are the clinical features of hyperthyroidism?

Hyperthyroidism is a multisystem disease: General Cardiovascular Respiratory Neuromuscular Neuropsychiatric Gastrointestinal Genitourinary Cutaneous Ophthalmic Other TremorWeight lossHeat intoleranceDiaphoresis PalpitationsTachycardiaAtrial fibrillationHigh output...