Thyroid disorders exist on a spectrum from myxedema coma to thyroid storm, with a large area in between.

Hyperthyroidism – too much thyroid hormones only from the thyroid gland

Thyrotoxicosis – too much thyroid hormone from any cause (i.e. taking too much thyroid supplement)

Thyroid Storm – see above. Thyrotoxicosis with increased adrenergic hyperactivity or abnormal response to the thyroid hormones by the peripheral tissues

Myxedema coma – These patients are the opposite of thyroid storm, all the systems are depressed (they are essentially hypo-everything).

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