title: [Atrial rhythms as a manifestation of the sick sinus syndrome].
mesh_terms: D000293:Adolescent; D000328:Adult; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D003327:Coronary Disease / Q000175:diagnosis; D005080:Exercise Test; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D012214:Rheumatic Heart Disease / Q000175:diagnosis; D012804:Sick Sinus Syndrome / Q000175:diagnosis*
vernacular_title: Predsernye ritmy kak proiavlenie slabosti sinusovogo uzla.