{"batchcode": "PAA165994/EX738", "histograms": [{"batchcodes": ["PAA165994/EX738"], "histogram": {"Chest pain": 1, "Electrocardiogram": 1, "Extrasystoles": 1, "Heart rate": 1, "Heart rate irregular": 1, "Migraine": 1, "Palpitations": 1}}]}