{"batchcode": "030B21A AND 022", "histograms": [{"histogram": {"Angiogram pulmonary abnormal": 1, "Blood test": 1, "Cardiac failure acute": 1, "Chronic left ventricular failure": 1, "Diastolic dysfunction": 1, "Dyspnoea": 1, "Echocardiogram": 1, "Fatigue": 1, "Feeling hot": 1, "Gait inability": 1, "Generalised oedema": 1, "Laboratory test": 1, "Left ventricular failure": 1, "Pulmonary embolism": 1, "Pulmonary function test": 1, "Pulmonary hypertension": 1, "Vomiting": 1}, "batchcodes": ["030B21A AND 022"]}]}