Normal Duration of the Q-T Interval

摘要: The relation between the average heart cycle length and Q-T interval was studied on 432 men, 425 women about 200 children. With exceptions to be given in final report, these subjects were free from disease. In addition, principal finding for normal has been confirmed study, being continued, of 700 adults children with disease.The subdivided into groups according sex age. are younger adult males, females, older disease separated sex. every group, without exception, averages intervals at each fall closely along a curve represented by empirical formula, = K log [10(C + k)]. C represents seconds, while k constants. For male adults, 0.373, 0.385. all 0.37...