Endocrinology
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Case Presentation
A 9-year-old boy is brought to the emergency department in a confused and lethargic state. His mother reports that he has been excessively thirsty and passing large amounts of urine for the last two weeks, and has recently started vomiting. On examination, he is severely dehydrated with a respiratory rate of 35/min, and his breathing is deep and rhythmic.
Question
What is the underlying condition, and what are the immediate management priorities?
Answer
The diagnosis is Diabetic Ketoacidosis (DKA), likely the first presentation of Type 1 Diabetes Mellitus. Immediate priorities involve the ABCDE approach, aggressive IV fluid replacement with 0.9% Normal Saline to correct the volume deficit, and careful monitoring of blood glucose and electrolytes (especially potassium) before cautiously starting insulin therapy.
Clinical Pearl
In any child presenting with rapid, deep breathing (air hunger) and signs of dehydration without a clear respiratory cause, check the blood glucose to exclude DKA.
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