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Short Answer Questions for ED Fellowship Study

Case: Euglycaemic DKA

You are managing a 45-year-old man with undifferentiated abdominal pain and vomiting. His past history is HTN and type 2 diabetes. His initial VBG is shown below : pH 7.28 (7.35-7.45) HCO3 14 mmol/L (20-28 mmol/L) pco2 28 mmol/L (35-45 mmol/L) Na 149 mmol/L (135-145mmol/L) K 5.1 mmol/L (3.5-4.5 mmol/L) cl 110 mmol/L (100-115 mmol/L) Lac 2.0 mmol/L (<2mmol/L) Glucose 6.2 mmol/L (4-11mmol/L)

1. Complete the following table by performing the calculations and interpreting the results. (6 marks) 6 marks

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Bloods and ECG are non-diagnostic and CTAP is normal.

2. What is the most likely diagnosis? Give a medication class most associated with this condition. (1 mark) 1 mark

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3. State (5) steps in your management. (5 marks) 5 marks

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This case forms part of a collaborative marking project designed to support fellowship preparation. In the week leading up to each tutorial, you can contribute answers to any active case. If you contribute, your answers may be reviewed, marked, and used to refine the model answers during the weekly fellowship teaching sessions.

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After the tutorial you can still do the case and self-mark your answers, but your answers will not be included in the group review.