Which finding is most consistent with diabetic ketoacidosis?

Which finding is most consistent with diabetic ketoacidosis?

• A. Fruity breath
• B. Dehydration
• C. Kussmaul respirations
• D. Abdominal pain with vomiting

Answer: (C)

In diabetic ketoacidosis, the body develops a significant metabolic acidosis from ketoacid buildup. To compensate, the lungs increase ventilation, producing a distinctive deep, rapid breathing pattern called Kussmaul respiration. This respiratory effort reflects the body’s attempt to blow off excess CO2 and raise pH, making it a highly characteristic finding for DKA and thus the most consistent clue among the options. Other signs like fruity breath, dehydration, and abdominal pain with vomiting can occur with DKA, but they are less specific. Fruity breath comes from acetone; dehydration results from osmotic diuresis; abdominal symptoms are common but can accompany many illnesses. The pronounced Kussmaul breathing is the hallmark that points most directly to the metabolic acidosis of DKA.

In diabetic ketoacidosis, the body develops a significant metabolic acidosis from ketoacid buildup. To compensate, the lungs increase ventilation, producing a distinctive deep, rapid breathing pattern called Kussmaul respiration. This respiratory effort reflects the body’s attempt to blow off excess CO2 and raise pH, making it a highly characteristic finding for DKA and thus the most consistent clue among the options.

Other signs like fruity breath, dehydration, and abdominal pain with vomiting can occur with DKA, but they are less specific. Fruity breath comes from acetone; dehydration results from osmotic diuresis; abdominal symptoms are common but can accompany many illnesses. The pronounced Kussmaul breathing is the hallmark that points most directly to the metabolic acidosis of DKA.