Three kinds of block.
Spodick
D H
DH
Cardiology Division, St. Vincent Hospital, University of Massachusetts Medical School, Worcester, MA 01608, USA.
D000368:Aged; D000369:Aged, 80 and over; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System; D006333:Heart Failure / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans; D006973:Hypertension / Q000175:diagnosis / Q000503:physiopathology*; D008297:Male