{"batchcode": "EW0197", "histograms": [{"histogram": {"Brain natriuretic peptide": 1, "Brain natriuretic peptide increased": 1, "Chest pain": 1, "Dyspnoea": 1, "Myocarditis": 1, "Pericarditis": 1, "SARS-CoV-2 antibody test": 1, "Troponin": 1, "Troponin increased": 1}, "batchcodes": ["EW0197"]}]}