title: Is the premature beat a capture or an echo?
authors.affiliation: Division of Cardiovascular Medicine, Stanford University School of Medicine, USA.
authors.forename: E W
authors.initials: EW
authors.lastname: Hancock
mesh_terms: D005117:Cardiac Complexes, Premature / Q000139:chemically induced* / Q000175:diagnosis*; D004074:Digitoxin / Q000009:adverse effects*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D004074:Digitoxin