Journal ArticleDOI
The effect of right and left bundle branch block patterns on left-to-right flow through an atrial septal defect in the acute preparation.
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TLDR
The simultaneous aortic and pulmonary flow in six mongrel dogs was studied immediately before and after the creation of an ASD to determine what effect, if any, an altered intraventricular conduction may have upon cardiac dynamics in the presence of an atrial septal defect.About:
This article is published in Journal of Surgical Research.The article was published on 1969-06-01. It has received 1 citations till now. The article focuses on the topics: Left bundle branch block & Venous blood.read more
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Pulmonary artery and left heart end-diastolic pressure relations.
TL;DR: It is shown once more that the pulmonary artery diastolic pressure seeks the left atrial level: when right ventricular systole is delayed the pulmonary arteries pressure continues to fall with theleft atrial 'x' descent.
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Journal ArticleDOI
Atrial septal defect
TL;DR: Atrial septal defect is one of the common types of congenital heart disease and there are a number of complications that occur and lead to varying degrees of incapacity-complications that may well have an important bearing on the risk of surgical intervention.
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Time Relationship of Dynamic Events in the Cardiac Chambers, Pulmonary Artery and Aorta in Man
TL;DR: The results obtained by permutation of simultaneous pressure recordings confirm the classical observations made in dogs.
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Systolic and diastolic loading of the heart. I. Physiologic and clinical data.
Cabrera C. Enrique,JoséR. Monroy +1 more
TL;DR: It is concluded that the theory of a dualistic compensatory mechanism of a heart which confronts a diastolic overloading or a systolic one is of great advantage over the unicist theory which reduces both to Starling's law.
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Flow patterns in cavae, pulmonary artery, pulmonary vein, and aorta in intact dogs
TL;DR: Flow patterns in cavae, pulmonary artery, pulmonary vein, and aorta in intact dogs were remarkably similar to caval flow, and in the absence of transmitted pulmonary artery pressure pulses, the venous flow patterns are attributed to vis a fronte.
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Atrial Pressure-Flow Dynamics in Atrial Septal Defects (Secundum Type)
TL;DR: These studies indicated that the major left-to-right shunt and pressure gradient occurred over an interval encompassing late ventricular systole and early diastole, and there was augmentation of the left- to- right shunt during atrial contraction.