Hyponatremia
Hyperkalemia
Acidosis
Elevated serum concentrations of: BUN, creatinine, uric acid, phosphate
Hypocalcemia
Anemia – blood loss, dilutional, hemolytic
Leukopenia (SLE)
Thrombocytopenia (SLE, HUS)
Immunological abnormalities ( C3, ANA, ANCA, anti- GBM)
Urinalysis – hematuria, proteinuria, casts