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Myxedema coma is an extreme or decompensated form of hypothyroidism and while uncommon, is potentially lethal. [ 1 ] [ 2 ] [ 3 ] A person may have laboratory values identical to a "normal" hypothyroid state, but a stressful event (such as an infection, myocardial infarction , or stroke ) precipitates the myxedema coma state, usually in the elderly.
Myxedema is known to occur in various forms of hypothyroidism, as well as hyperthyroidism, including Graves disease. One of the hallmarks of Grave's disease is pretibial myxedema, myxedema of the lower limb. [2] Myxedema is more common in women than in men. [3] Myxedema can occur in: Hyperthyroidism, associated with pretibial myxedema and ...
Myxedema psychosis is a relatively uncommon consequence of hypothyroidism, such as in Hashimoto's thyroiditis or in patients who have had the thyroid surgically removed and are not taking thyroxine. A chronically under-active thyroid can lead to slowly progressive dementia , delirium , and in extreme cases to hallucinations , coma , or ...
Myxedema coma is a rare but life-threatening state of extreme hypothyroidism. It may occur in those with established hypothyroidism when they develop an acute illness. Myxedema coma can be the first presentation of hypothyroidism.
Euthyroid sick syndrome (ESS) is a state of adaptation or dysregulation of thyrotropic feedback control [1] wherein the levels of T3 and/or T4 are abnormal, but the thyroid gland does not appear to be dysfunctional.
Woltman's sign (also called Woltman's sign of hypothyroidism or, in older references, myxedema reflex [1]) is a delayed relaxation phase of an elicited deep tendon reflex, usually tested in the Achilles tendon of the patient. Woltman's sign is named for Henry Woltman, an American neurologist. [2]
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It is most commonly used to treat hypothyroidism and myxedema coma. [2] It can be taken by mouth or by injection into a vein. [2] Side effects may occur from excessive doses. [2] This may include weight loss, fever, headache, anxiety, trouble sleeping, arrhythmias, and heart failure. [2] Use in pregnancy and breastfeeding is generally safe. [3] [2]