What is diabetic ketoacidosis?

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Diabetic ketoacidosis (DKA) is a medical emergency characterized by an extremely high blood glucose level and a toxic level of ketones in the blood. It can cause such symptoms as extreme thirst, frequent urination, vomiting, fever, paleness, elevated heart rate, nausea or abdominal pain, fruity or acidic-smelling breath, shortness of breath, and lethargy.

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