Aged woman, 70, with history of mild diabetes mellitus, hypertension, hyperlipidemia, and chronic atrial fibrillation on warfarin, returning home from a holiday, presented to the emergency room. She had pain in right thigh and leg, fever, and nausea. Physical examination - blood pressure 133/89?mm?Hg, heart rate 94/minute, respiratory rate 18/minute, and temperature 101.30?F.
There was erythema involving the posterior thigh and leg along with the popliteal fossa measuring about 12?cm in length. What was happening? How to treat with her?
