MSFinals-5668
A 54-year-old woman presents with back and flank pain affecting both sides. She has been diagnosed some years ago with antiphospholipid antibody syndrome and has suffered from a previous deep vein thrombosis. On assessment, temperature is 36.7oC, heart rate is 76 bpm, blood pressure 128/80 mmHg and she is still passing urine.
Investigations:
Investigation Result Normal value
Sodium (Na+) 141 mmol/l 135–145 mmol/l
Potassium (K+) 6.3 mmol/l 3.5–5.0 mmol/l
Urea 17.3 mmol/l 2.5–6.5 mmol/l
Creatinine 325 μmol/l 50–120 µmol/l
Urine proteinuria +++
Which of the following diagnoses fits best with this clinical scenario?