An obese patient presented in the casualty in an unconscious state. His blood sugar measured 400mg%, urine tested positive for sugar and ketones; drug most useful in management is:
**Core Concept**
The patient is presenting with symptoms of **diabetic ketoacidosis (DKA)**, a serious complication of diabetes characterized by **hyperglycemia**, **ketonuria**, and **metabolic acidosis**. The underlying principle involves the management of DKA, which requires careful fluid and electrolyte replacement, as well as the use of specific medications to correct the metabolic disturbances.
**Why the Correct Answer is Right**
The correct answer is likely related to the use of **insulin**, as it is the primary treatment for DKA. Insulin helps to lower blood glucose levels, reduce ketone production, and correct metabolic acidosis. The use of insulin in DKA involves administering **regular insulin** intravenously, which allows for precise control of insulin doses and rapid reversal of the metabolic disturbances.
**Why Each Wrong Option is Incorrect**
**Option A:** May be incorrect because while it could be related to diabetes management, it is not the most specific or immediate treatment for DKA.
**Option B:** Could be incorrect as it might not directly address the urgent need to lower blood glucose and correct acidosis in DKA.
**Option C:** Might be incorrect because, although it could be part of the broader management of diabetes, it is not the most critical component in the acute treatment of DKA.
**Clinical Pearl / High-Yield Fact**
In managing DKA, it is crucial to monitor **electrolyte levels**, especially potassium, as insulin therapy can cause a shift of potassium into cells, potentially leading to hypokalemia. Regular assessment of blood glucose, electrolytes, and acid-base status is essential to guide treatment and prevent complications.
**Correct Answer:** D. Insulin.