MSK Flashcards
25M with swollen left knee. Recent holiday in Spain. Swollen, warm L knee with full ROM. Pain on ankle movement but no swelling. Waxy yellow rash on soles of both feet. Diagnosis?
Reactive arthritis (rash is keratoderma blenorrhagica)
24F with recurrent DVT, present with SOB. APTT is prolonged. Diagnosis?
Antiphospholipid syndrome
Initially intermittent tingling of the 4th and 5th finger, worse when the elbow is flexed for prolonged periods. Diagnosis?
Cubital tunnel syndrome
What food precipitate an attack of gout?
Liver, kidneys, seafood, oily fish and yeast products
58M presents with painful, swollen L knee. O/E there is a moderate sized effusion. XR: loss of joint space and linear calcification of the articular cartilage. Diagnosis?
Pseudogout
32F with joint pain. BMI 30. Large effusion of L knee with reduced ROM. MCP joints of R hand are swollen with sausage-like fingers. L hand if normal. HLA-B27 positive. Diagnosis?
Psoriatic arthritis
Asymmetrical presentation suggests psoriatic arthritis rather than rheumatoid
54F with new OA that has not improved with regular paracetamol. What is the next step in management?
Add in topical NSAID
65M with bilateral leg pain brought on by walking. PMH peptic ulcer disease and OA. He can walk for 5 minutes before it develops and it’s relieved by sitting down. Leaning forwards or crouching improves the pain. Diagnosis?
Spinal stenosis
52M with 3 year history of progressively worsening hip and back pain. Worse on weight bearing and improves with rest. O/E frontal bossing and bowing of the legs. What is the appropriate first-line treatment?
Alendronate
Paget’s disease of the bone is treated with bisphosphonates
Which skin disorder is most associated with antiphospholipid syndrome?
Livedo reticularis
+ arterial/venous thrombosis + miscarriage
Patient with severe flare of UC who has an anaphylactic reaction to aspirin. What UC medication presents a significant safety concern?
Sulfasalzine is cross reactive with aspirin
What medication has a side effect of Dupuytren’s contracture?
Phenytoin
What are the Ottowa ankle rules?
X-ray if:
1. Point tenderness over the distal 6cm of the lateral malleolus
2. Point tenderness over the distal 6cm of the medial malleolus
3. Inability to weight bear by at least 4 steps immediately post-trauma and in ED
Sudden onset back pain after tying shoelaces. Tenderness over lumbar spine and leaning back worsens the pain. Neuro exam and SLR is normal?
Facet joint pain
Straight leg raise makes disc prolapse less likely
What risk factors are associated with Dupuytren’s contracture?
Phenytoin treatment, manual labour, ALD and family history