{"batchcode": "EI0725", "histograms": [{"histogram": {"Blood calcium": 1, "Blood chloride": 1, "Blood lactic acid": 1, "Blood pH": 1, "Chest X-ray": 1, "Chest pain": 1, "Computerised tomogram thorax": 1, "Discomfort": 1, "Dyspnoea": 1, "Electrocardiogram": 1, "Electrocardiogram abnormal": 1, "Fibrin D dimer": 1, "Investigation": 1, "Malaise": 1, "PCO2": 1, "PO2": 1, "Syncope": 1, "Troponin": 1, "Troponin increased": 1, "Ultrasound scan": 1}, "batchcodes": ["EI0725"]}]}