In diabetic ketoacidosis, which of the following patterns best describes the electrolyte and acid-base disturbances?

• A. High sodium, low potassium, high bicarbonate, high pH
• B. Normal electrolytes with normal acid-base status
• C. Low sodium with high bicarbonate and high pH
• D. Low sodium, high serum potassium (hyperkalemia), low total body potassium, low bicarbonate, low pH, low CO2

Answer: (D)