Acute Coronary Syndrome Adult Congenital Heart Disease Arrhythmias, Cardiac Arterial Occlusive Diseases Arteriosclerosis Atrial Fibrillation Brain Infarction Brain Ischemia Cardiac Arrhythmias Cardiac electrophysiology Cardiac pacemaker Cardiac pharmaceutical agents Cardiac physiology Cardiovascular Abnormalities Cardiovascular surgery Cerebral Infarction Cerebrovascular Disorders Coronary Artery Disease Coronary Disease Disorders of the coronary circulation Disorders of the heart valves Disorders of the pericardium Electrical system of the heart Heart Defects, Congenital Heart Diseases Heart Failure, Diastolic Hemostatic Disorders Hypertension Imaging, including MRI as well as Echocardiography and Fetal Echo Marfan Syndrome Myocardial Infarction Myocardial Ischemia Paediatric Cardiac Intensive Care Paediatric Cardiac Intervention Paediatric Cardiac Nursing Paediatric Cardiomyopathy and Transplant Paediatric Electro-physiology Stroke Sudden cardiac death Tachycardia Thrombosis Uouter lining of the heart Vascular Diseases