A client sustained a head injury when falling off of a ladder. While in the hospital, the client begins voiding large amounts of clear urine and states he is very thirsty
The client states that he feels weak and has had an 8-lb weight loss since admission. What should the client be tested for? A) Diabetes insipidus (DI)
B) Syndrome of inappropriate antidiuretic hormone secretion (SIADH)
C) Pituitary tumor
D) Hypothyroidism
A
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Urine output may be as high as 20 L/24 hours. Urine is dilute, with a specific gravity of 1.002 or less. Limiting fluid intake does not control urine exertion. Thirst is excessive and constant. Activities are limited by the frequent need to drink and void. Weakness, dehydration, and weight loss develop. SIADH will have the opposite clinical manifestations. The client's symptoms are related to the trauma and not a pituitary tumor. The thyroid gland does not exhibit these symptoms.
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