{"batchcode": "041A 21A", "histograms": [{"histogram": {"Headache": 4, "Dizziness": 2, "Nausea": 2, "Angiogram cerebral abnormal": 1, "Anticoagulant therapy": 1, "Arteriogram carotid": 1, "Blood test abnormal": 1, "Burning sensation": 1, "Cerebral haemorrhage": 1, "Cerebral venous sinus thrombosis": 1, "Computerised tomogram head abnormal": 1, "Deep vein thrombosis": 1, "Fatigue": 1, "Immunoglobulin therapy": 1, "Intensive care": 1, "Magnetic resonance imaging head abnormal": 1, "Migraine": 1, "Musculoskeletal stiffness": 1, "Photophobia": 1, "Piloerection": 1, "Platelet count decreased": 1, "Platelet transfusion": 1, "Pyrexia": 1, "Scan with contrast abnormal": 1, "Skull X-ray abnormal": 1, "Tenderness": 1, "Thrombocytopenia": 1, "Ultrasound Doppler abnormal": 1, "Venogram abnormal": 1, "Vertigo": 1, "Vision blurred": 1}, "batchcodes": ["041A 21A"]}]}