A patient is admitted with nausea, vomiting, diarrhea, and abdominal pain. The patient appears emaciated and complains of feeling weak. The nurse notes a heart rate of 98 beats per minute and a blood pressure of 88/54 mm Hg
The nurse reviews the chart and notes an increased serum po-tassium level and a decreased serum sodium level. The nurse expects the provider to order which medication initially? a. Cosyntropin [Cortrosyn]
b. Dexamethasone
c. Fludrocortisone [Florinef]
d. Hydrocortisone
A
Cosyntropin is used to diagnose adrenal insufficiency, which this patient shows signs of having. Dexamethasone is used to diagnose Cushing's syndrome. Fludrocortisone, a mineralocorticoid, is used with hydrocortisone to treat primary adrenal insufficiency; both of these drugs will be administered after the diagnosis has been confirmed.
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