The cause of SCD in WPW syndrome is rapid conduction of AF to the ventricles via the AP, resulting in ventricular fibrillation (VF). AF develops in one fifth to one third of patients with WPW syndrome; the reasons for this and the effects of AP ablation on its development are unclear.
Barbara Mertz (September 29, 1927 â August 8, 2013) was an American author who wrote under her own name as well as under the pseudonyms Elizabeth Peters and Barbara Michaels.
Betsy Ross. Elizabeth Griscom Ross (1752-1836), was a Philadelphia seamstress, married to John Ross, an upholsterer who was killed in a munitions explosion in 1776. She kept the upholstery shop going and lived on Arch Street, not too far from the State House on Chestnut, where history was being made almost every day.