Over the past 40 years in England and Wales the rise in mortality from coronary heart disease has continued unabated among working-class men, whereas among professional men the rate has changed little ...

Introduction Careful, stepwise assessment is required in all patients with atrial septal defect (ASD) to exclude pulmonary vascular or left ventricular (LV) disease. Fluid challenge and balloon ...

BACKGROUND The QT interval is strongly and inversely related to heart rate. To compare QT intervals between different subjects with different heart rates requires the application of a QT interval rate ...

First Department of Medicine (Cardiology), Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany Professor Jens J Kaden, Department of Cardiology, University Hospital Mannheim, ...