title: Familial short atrioventricular conduction time (P-R interval).
abstract: Five sibs with related parents are presented. All the sibs have short atrioventricular conduction time (P-R interval). The short P-R interval is probably an inherited feature in the family.
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000235:genetics*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010375:Pedigree