Bhat, Pachalla K.; Luisada, Aldo A.
November 1977
Angiology;Nov1977, Vol. 28 Issue 11, p729
Academic Journal
We studied this interval further in several pathologic conditions and showed that it may be typically abbreviated in one of them (systemic hypertension) and typically prolonged in conditions associated with myo-cardial fibrosis or scarring (coronary heart disease and myocardial infarct) with an extreme prolongation in left bundle branch block.2 At that time we postulated that the changes of this diastolic interval were the result of changes of one systolic interval-that corresponding to the isovolumic contraction period. This hypothesis seemed to be warranted by previous studies by various authors, but it remained to he proved in individual cases. Thus we undertook the present study.


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