Investigations

• Hyponatremia (sodium < 135 mmol/litre)
• Hypocalcaemia (total calcium < 8 mmol/ litre)
• Hypokalaemia (potassium < 3.5 mmol/litre)
• Hypomagnesemia (magnesium < 0.85 mmol/litre)
• Hypoalbuminemia (albumin < 3.5 mmol/litre)
• Elevated creatinine (>1.3 mg/dl)
• Elevated bilirubin (>1.5 mg/dl)
• Elevated aspartate aminotransferase (>98 U mg/litre)
• Elevated alanine aminotransferase (>110 U mg/litre)
• Leukopenia (white cell count <3500/ul)
• Neutropenia (absolute neutrophil count < 1500/ul)
• Lymphopenia (absolute lymphopenia count < 1500/ul)
• Platelet Anaemia (haemoglobin < 11 mg/dl)
• Thrombocytopenia (platelet count < 150000/ul

Reverse transcription-polymerase chain reaction (RT-PCR)