<prompt> The insulin preparation of choice in diabetic ketoacidosis isRegular insulinLente insulinIsophane insulinA 30:70 mixture of plain and isophane insulin  <response>: Diabetic ketoacidosis Diabetic coma Ketoacidosis of different grades generally occurs in insulin dependent diabetics. It is infrequent in type 2 DM. The most common precipitating cause is infection; others are trauma, stroke, pancreatitis, stressful conditions and inadequate doses of insulin Treatment of DKA:- 1. Insulin:- Regular insulin is used to rapidly correct the metabolic abnormalities. A bolus dose of 0.1-0.2 Ukg i.v. is followed by 0.1 Ukghr infusion; the rate is doubled if no significant fall in blood glucose occurs in 2 hr. Fall in blood glucose level by 10 per hour can be considered adequate response. Usually, within 4-6 hours blood glucose reaches 300 mgdl. Then the rate of infusion is reduced to 2-3 Uhr. This is maintained till the patient becomes fully conscious and routine therapy with s.c. insulin is instituted. 2 I v. Fluids 3 kcl Ref:- kd tripathi; pg num:-267,268 