An 84-year-old female with diabetes was admitted to the emergency room with acute swelling and pain in her left knee. She had fever and productive cough since last week and couldn’t bear weight for the last 24 hours because of the knee pain.
Examination Fever, sweaty and febrile Pulse – 108 bpm Blood pressure – 98/60 mmHg Oxygen saturation – 92% Respiratory rate – 22 /min Left knee is rigid in fixed flexion, and is hot and red with moderate effusion Decreased expansion on right side, with dullness to percussion, increased vocal resonance and coarse crackles at the base Investigation Test values Normal values Haemoglobin 14.2 g/dL 13.3-17.7 g/dL White cell count 18.3 x…
