Heart 43 Surgery 43 Cardiac Surgery 40 Medicine 39 Medicine & Public Health 38 Cardiology 35 Internal Medicine 14 more ... Internal medicine 14 Radiology, Medical 9 Imaging / Radiology 8 Critical care medicine 7 Intensive / Critical Care Medicine 7 Vascular Surgery 6 Anesthesiology 4 Angiography 4 Angiology 4 Diagnostic Radiology 4 Emergency medicine 4 Interventional Radiology 4 Interventional radiology 4 Biomedical Engineering 3 Biomedical engineering 3 Family medicine 3 General Practice / Family Medicine 3 Oncology 3 Pediatrics 3 Primary Care Medicine 3 Thoracic Surgery 3 Thoracic surgery 3 Cardiac Surgical Procedures 2 less ...