. "113549546"@en-us . . . . "heart block"^^ . . "14362593-n"^^ . "114362593"^^ . . . . "0.5"^^ . . "recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat"@en-us . "Stokes-Adams syndrome"@en-us . . . "heart block"@en-us . . . "Adams-Stokes syndrome"@en-us . "0"^^ . "atrioventricular block"@en-us .