About: http://webisa.webdatacommons.org/261728635

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The cause is usually high blood pressure or other factors causing the left atrium to work harder than it is supposed to (heavy aerobic exercise for a long time, valve disorders, stiffened left ventricle, etc).
http://www.w3.org/ns/prov#wasQuotedFrom	medhelp.org