There are several types of hypothyroidism. Causes Doctors suspect the immune system as the culprit in Hashimoto's thyroiditis. This type of hypothyroidism is 8 times more common in women than men, and usually develops between the ages of 30 and 50. Left untreated, severe hypothyroidism can lead to convulsions, coma, and death. This condition is easily corrected with regular doses of thyroid hormone, which will continue for life.
Hospitalization is needed only in severe cases.
With treatment, all signs of hypothyroidism should be gone within 3 to 12 weeks. You may encounter the following procedures and equipment during your stay. A stethoscope is used to listen to your heart and lungs. Your blood pressure is taken by wrapping a cuff around your arm. It can be drawn from a vein in your hand or from the bend in your elbow.