Critical Thinking 5 - Joel Osterhout Med Surg 330 31 Oct 06...

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Joel Osterhout Med Surg 330 31 Oct 06 Critical Thinking 5 Thyroid hormones stimulate metabolism and cardiac function, and are essential for normal growth and development of the body. Manifestations of hypothyroidism in adults include bradycardia, cold dry skin, brittle hair, low body temperature, fatigue, cold tolerance, flat affect, slowed cognition, and weight gain. Extremely low levels of thyroid hormone can cause myxedema coma. Myxedema coma is life-threatening as it can lead to severe fluid imbalance and electrolyte imbalances, acidosis, hypoglycemia, water intoxication, adrenal insufficiency, and severe hypothermia. If the dosage is to high the client will develop signs and symptoms of hyperthyroidism to include tachycardia and angina, heat intolerance, increased body temperature and perspiration, and nervousness, insomnia, and tremors. To continue synthroid might cause thyroid crisis. Older adults, such as our patient, should be started on lower doses of thyroid hormones to prevent excessive cardiac stimulation.
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