{"batchcode": "043A22A", "histograms": [{"histogram": {"Acute left ventricular failure": 1, "Anxiety": 1, "Blood test": 1, "Cardiac failure congestive": 1, "Chest discomfort": 1, "Dyspnoea": 1, "Electrocardiogram": 1, "Fatigue": 1, "Fluid retention": 1, "Malaise": 1, "Palpitations": 1, "Productive cough": 1, "Pyrexia": 1, "Sleep disorder": 1}, "batchcodes": ["043A22A"]}]}