Mortality in 966 life insurance applicants with bundle branch block or wide QRS.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000401:mortality*; D004562:Electrocardiography; D006327:Heart Block / Q000401:mortality*; D006801:Humans; D007352:Insurance, Life; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies