Family tree may clarify death risk for inherited heart rhythm disorders

February 28, 2012 Study Highlights:By reconstructing family trees dating back to 1811, Dutch researchers have estimated the death risk for people with inherited abnormal heart rhythms.Doctors can use this information to determine when to screen and treat patients with these syndromes and their relatives.EMBARGOED UNTIL 3 p.m. CT/4 p.m. ET, Tuesday, Feb. 28DALLAS, Feb. 28, 2012