Table 1

Medical investigations

Blood testResultReference range
 White cell count8.6×109/L4.5–11.0×109/L
 Haemoglobin162 g/L140–175 g/L
 Mean corpuscular volume81.2 fL/red cell80–96 fL/red cell
 Platelets count329×109/L156–373×109/L
 Serum potassium4.5 mmol/L3.5–5.1 mmol/L
 Serum sodium145 mmol/L135–145 mmol/L
 Serum creatinine0.8 mg/dL0.5–1.2 mg/dL
 Blood urea nitrogen12 mg/dL3–20 mg/dL
 Uric acid3.8 mg/dL2.5–8 mg/dL
 Alanine aminotransferase40 IU/L20–60 IU/L
 Aspartase aminotransferase33 IU/L5–40 IU/L
 Gamma glutamyltranspeptidase38 U/L8–61 IU/L
 Lactate dehydrogenase320 IU/L105–333 IU/L
 Alkaline phosphatase296 U/L40–129 IU/L
 Total bilirubin1.2 mg/dL0.2–1.3 mg/dL
 Direct bilirubin0.40 mg/dL0.0–0.4 mg/dL
 Albumin4.5 g/dL3.5–5.5 g/dL
 Albumin-corrected calcium9.6 mg/dL9.6–11.2 mg/dL
 C-reactive protein1.0 mg/dL0.0–1.0 mg/dL
 Rheumatoid factor398 U/mL1. Negative: less than 40 IU/mL
 Fasting glycaemia89 mg/dL60–120 mg/dL
 Erythrocyte sedimentation rate10 mm/hourNormal: less than 15 mm/hour
 Venereal disease research laboratory testNon-reactiveNon-reactive or reactive
 Fluorescent Treponema pallidum antibody absorptionNegativePositive or negative
 HIV ELISANegativePositive or negative
 Antistreptolysin O titre73 IU/mL0–200 IU/mL
 Antidouble-stranded DNANegativePositive or negative
 Antinuclear antibodyNegativePositive or negative
 Antinuclear factorNegativePositive or negative
 Perinuclear antineutrophil cytoplasmic antibodies5.41 U/mLNegative: less than 10.0 U/mL
 Cytoplasmic antineutrophil cytoplasmic antibodies6.23 U/mLNegative: Less than 10.0 U/mL
 Prostate-specific antigen test1.8 ng/mLNegative: less than 4.0 ng/mL
Other investigationsResultReference range
 ECGNormalNormal or abnormal
 Chest X-rayNormalNormal or abnormal
 C-spine X-raysNormalNormal or abnormal
 CT scan of the brainNormalNormal or abnormal
 MRI/MR angiography/MR venography scan of the brainNormalNormal or abnormal
 Carotid Doppler ultrasoundNormalNormal or abnormal
 EchocardiogramNormal ejection fraction (EF): 75%Normal or abnormal