Irregular heart rhythms are common in PAH and tied to higher risk of poor outcomes, with right heart changes helping predict ...

Heart valves allow blood to flow one way and prevent it from flowing in the wrong direction. The tricuspid valve controls blood flow between the right atrium and right ventricle. The bicuspid or ...

Left- and right-sided heart failure can both cause different symptoms. For instance, people with left-sided heart failure may experience trouble breathing, while people with right-sided heart failure ...