An elderly female patient has presented to the emergency department with altered mental status,hypothermia,and clinical signs of heart failure.Myxedema is suspected.Which of the following laboratory findings support this diagnosis?

Question

Quizplus · Accepted Answer

Thyroid hormones are low in myxedema.Thyroid-stimulating hormone is usually high in relation to the feedback mechanisms for hormone regulation if myxedema is caused by primary hypothyroidism.Elevated adrenocorticotropic hormone may be seen in pituitary conditions or adrenal insufficiency.Elevated cortisol levels accompany Cushing's syndrome.Elevated T₃ and T₄ levels are consistent with hyperthyroidism.

An Elderly Female Patient Has Presented to the Emergency Department