Dr. Lars Siegfried Maier, MD is a Head, Professor of the Department of Internal Medicine II (Cardiology and Pulmonology) at the University Hospital Regensburg. His research interests are Internal Medicine, Cardiology, Pulmonology, Atrial Septal Defects, Heart Valve Defects, Heart Arrhythmic Disorders, Pulmonary Hypertension, Heart Failure, Atrial Fibrillation, Lipid Metabolism Disorders, Ischemic Heart Diseases, Arterial Hypertension, Coronary Artery Stenosis, Pneumonia, Chronic Obstructive Pulmonary Diseases.