About: http://webisa.webdatacommons.org/196447746

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	In high-grade and third-degree AV block, the ventricular rate is usually quite slow and can cause symptoms such as hypotension, dizziness, nausea, syncope, or near-syncope.
http://www.w3.org/ns/prov#wasQuotedFrom	nursingcenter.com