Myxedema Coma (cont.)

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What are the symptoms of hypothyroidism?

Before a patient develops myxedema coma, features of hypothyroidism are usually present and may have gone unsuspected for a long period of time.

These symptoms include:

What causes myxedema coma?

Most patients with myxedema coma have a history of hypothyroidism, thyroid surgery, or radioactive iodine treatment for thyroid disease. Very rarely, the problem is not caused by the inability of the thyroid gland to make thyroid hormone; but rather is caused by the failure of the pituitary gland or the hypothalamus to correctly signal the thyroid gland to perform its normal functions. In this situation, the thyroid gland is normal, but it is not receiving the signals from the pituitary gland or hypothalamus to make the thyroid hormone it is capable of producing.

Picture of the Thyroid Gland
Picture of the Thyroid Gland
Picture of the Pituitary Gland
Picture of the Pituitary Gland
Medically Reviewed by a Doctor on 12/12/2013

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Myxedema Coma - Causes and Triggers Question: What was the cause or trigger of a myxedema coma in someone you know?
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