A new curve of cardiac excitability in man; its bearing on the mechanism of A-V block.
D000219:Adams-Stokes Syndrome / Q000503:physiopathology*; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans