USMLE Step 1 Question of the Day
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A 30-year-old woman known to have type 1 diabetes presents to the emergency room with a productive cough, fever, and polyuria for 4 days and progressive lethargy and confusion for the last day. She complains of abdominal pain and nausea with vomiting. Her breath smells fruity, her serum glucose is 600 mg/dL, and her serum potassium is 5.5. Initial management of this patient will likely include IV fluids, insulin, and which of the following?
Correct Answer: E. Potassium
This woman is likely in diabetic ketoacidosis. She needs urgent IV fluids, insulin, and potassium. Despite a mildly elevated serum potassium her total body potassium stores are low. Administration of insulin will drive potassium into cells and decrease her serum potassium.
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Category: PharmacologyA 30-year-old woman known to have type 1 diabetes presents to the emergency room with a productive cough, fever, and polyuria for 4 days and progressive lethargy and confusion for the last day. She complains of abdominal pain and nausea with vomiting. Her breath smells fruity, her serum glucose is 600 mg/dL, and her serum potassium is 5.5. Initial management of this patient will likely include IV fluids, insulin, and which of the following?
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