title: IMAGES IN CLINICAL MEDICINE. "Frog Sign" in Atrioventricular Nodal Reentrant Tachycardia.
authors.affiliation: Beth Israel Deaconess Medical Center, Boston, MA fcontrer@bidmc.harvard.edu.
authors.forename: Fernando M
authors.initials: FM
authors.lastname: Contreras-Valdes
authors.affiliation: Beth Israel Deaconess Medical Center, Boston, MA fcontrer@bidmc.harvard.edu.
authors.forename: Mark E
authors.initials: ME
authors.lastname: Josephson
mesh_terms: D000369:Aged, 80 and over; D004562:Electrocardiography; D006801:Humans; D007601:Jugular Veins / Q000503:physiopathology*; D008297:Male; D011674:Pulse; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000175:diagnosis* / Q000503:physiopathology