STUDIES ON THE ELECTRICAL SYSTOLE (“Q-T” INTERVAL) OF THE HEART

Abstract

Electrocardiographic measurements of a normal individual, (male), during a 24-hour period Time "~~~~'R-R " "Q0-T"v Time interval interval K It seconds seconds 9:30 a.m. 0.925 0.350 0.364 10:30 a.m. 0.900 0.358 0.377 11:30 a.m. 0