title: Concealed atrial ectopic focus originating from the tricuspid annulus.
authors.affiliation: Department of Cardiology, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.
authors.forename: Anoop K
authors.initials: AK
authors.lastname: Shetty
authors.forename: Jonathan M
authors.initials: JM
authors.lastname: Kalman
mesh_terms: D000328:Adult; D004562:Electrocardiography / Q000379:methods; D006801:Humans; D008297:Male; D013612:Tachycardia, Ectopic Atrial / Q000175:diagnosis* / Q000503:physiopathology*; D014261:Tricuspid Valve / Q000503:physiopathology*