A 76-year-old admitted with fever and pain in the left foot. On examination
A 76-year-old admitted with fever and pain in the left foot. On examination, the 2ⁿᵈ toe looks necrotic, with swelling of the foot and tracking erythema up to the left ankle.
Observations:
| Blood Pressure | 90/50 mm HG |
| Heart Rate | 121 /min |
| SpO2 | 96% on RA |
| Temperature | 38.5 ⁰C |
She is established on haemodialysis 3 times a week via a tunnelled dialysis line. She is on doxazosin 2 mg BD, Calcium carbonate 500 mg TDS, Warfarin as per INR and Atorvastatin 40 mg OD.
Laboratory analysis
| Haemoglobin | 9.0 g/dl | Sodium | 138 |
| White Blood Corpuscles | 12.0 x 10^6 | Potassium | 5.0 |
| Platelets | 400 x10^6 | Corrected Calcium | 2.32 |
| Creatinine | 743 mmol/dl | Phosphate | 1.6 |
| Urea | 34.3 mmol/dl | CRP | 58 |
| Albumin | 28 | Glucose | 5.1 |
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