{"batchcode": "20691231", "histograms": [{"histogram": {"Body temperature increased": 1, "Catheterisation cardiac normal": 1, "Chest pain": 1, "Electrocardiogram": 1, "Myocardial necrosis marker increased": 1, "Neck pain": 1, "Pain": 1, "Pain in jaw": 1, "Troponin increased": 1}, "batchcodes": ["20691231"]}]}