Ventricular escape beats occur when the rate of electrical discharge reaching the ventricles ( normally initiated by the heart 's sinoatrial node ( SA node ) , transmitted to the atrioventricular node ( AV node ) , and then further transmitted to the ventricles ) falls below the base rate determined by the rate of Phase 4 spontaneous depolarisation ...
Logan County, West Virginia. Logan County is a county in the U.S. state of West Virginia. As of the 2010 census, the population was 36,743. Its county seat is Logan. The county was formed in 1824 from parts of Giles, Tazewell, Cabell, and Kanawha counties. It is named for Chief Logan, famous Native American chief of the Mingo tribe.
Covington city Virginia United States Total Total Population 5,961 8,001,024 308,745,538 Race White 5,014 5,486,852 223,553,265 Black or African American 746 1,551,399 38,929,319 American Indian or Alaska Native 18 29,225 2,932,248 Asian 34 439,890 14,674,252 Native Hawaiian/Pacific Islander 5,980 540,013 Other 33 254,278 19,107,368