CANDIDATE INSTRUCTIONS

You are resident doctor working in a renal clinic this afternoon and your next patient is Mrs Scott who is a patient with end stage CKD being considered for renal transplant. During consultation, she mentions that she has been having a sore ankle for the last 2 days. 

You think it can most likely be referred to her GP for follow up but will need to explore a bit more about her presentation.

  1. Take a focused history

  2. At 8 minutes you will be stopped by the examiner to ask some questions

2 Minutes Reading Time

10 Minutes Station Time

Total 12 Minutes

EXAMINER INSTRUCTIONS

Timing Instructions: At 8 minutes, stop the candidate and ask the following questions:

Question 1: Name 2 differential diagnosis.

Answer 1

  • Septic arthritis

  • Gout/ pseudogout

Question 2: Why is Mrs Scott being a patient with CKD relevant to her presentation?

Answer 2: There is decreased renal secretion of uric acid in patients with CKD, causing hyperuricaemia and gout

Question 3: Name 2 investigations and what you would expect to find from them.

Answer 3:

  • Blood tests - High uric acid levels

  • Synovial fluid analysis - needle shaped negatively birefringent monosodium urate crystals

  • X- Ray - joint effusion, soft tissue tophi, well-defined 'punched-out' erosions with sclerotic margins

Question 4: What would be the management in the acute phase

Answer 4: NSAIDs and colchicine

PATIENT INSTRUCTIONS

MARK SCHEME

Introduction


Ideas, Expectations & Concerns


Presenting Complaint


History of Presenting Complaint


Systems Review


Past Medical History


Drug History


Family History


Social History


Questions


Patient Scores


Enter Your Score Here: /50

SCORE GUIDE

High Pass: > 40

Pass: > 30

Borderline Pass: 25 - 30

Fail: < 25

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