On examination she has a palpable cervical lymph nodes of various sizes, a congested throat, generalized myalgia and a swollen ankle joint on the left side.
Her BP is 120/75 mmHg, HR 90 bmp, RR 22/min.
A urine test shows protein+ve with red cells.
other tests are as follows:
Hb = 9.7 g/dl
TLC = 4x10-9/l with neutrophils and lymphopenia.
Retic count = 2.6%
CRP = 20
1. Which three other investigations should be carried out?
2. What treatments should you prescribe?
3. What are three possible differential diagnosis?