title: Five-year follow-up of resting and postexercise phonocardiogram in asymptomatic persons.
abstract: Phonocardiograms were recorded in 200 clinically normal adults, mean age 51 +/- 6 years, at rest and after a double Master's test. Five-year follow-up clinical data was obtained in 199 of these 200 subjects. The resting fourth heart sound correlated with the subsequent development of coronary heart disease within 5 years (p = 0.036). Neither the postexercise fourth heart sound nor the resing or postexercise third heart sound showed any correlation with the subsequent development of coronary heart disease within 5 years.
mesh_terms: D000328:Adult; D003327:Coronary Disease / Q000175:diagnosis*; D005080:Exercise Test; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D011379:Prognosis; D012146:Rest