Myxedema coma is a rare condition that needs emergency care. It can
occur in a person who has untreated, severe hypothyroidism. It usually occurs
in older adults who have other illnesses, such as a serious infection or heart
attack, along with their hypothyroidism.
These life-threatening symptoms may occur:
Mental deterioration such as apathy, confusion,
Extremely low body temperature
Extremely slow heartbeat (fewer than 60 beats a
Death can occur if myxedema coma is not treated. Emergency
treatment may include thyroid hormone replacement given in a vein (intravenously) and
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