Impairment of left ventricular (LV ... by the differences in durations between the mitral atrial flow and the reverse pulmonary vein flow during atrial systole; severely impaired relaxation ...

allowing atrial filling from the pulmonary veins at low pressures. Mitral regurgitation (MR) is the term used for (abnormal) systolic retrograde flow of blood from the left ventricle to the left ...

The tricuspid valve separates the right atrium and right ventricle. It opens due to a build-up of pressure in the right atrium, and prevents back flow ... pulmonary vein. It goes into the left ...