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- W1993836306 abstract "The pattern of normal blood flow in the right atrial cavity was studied using the newly developed real-time twodimensional Doppler flow imaging technique as a standard reference for the Doppler diagnosis of heart diseases with intracardiac shunts at the atrial level. The study was performed primarily with use of the apical four chamber and the parasternal right ventricular inflow tract views in 21 healthy subjects. The following patterns were observed: blood from the inferior vena cava flowed up along the posterior wall of the right atrium and joined with blood from the superior vena cava in the posterocranial part of the right atrial cavity; the flow then coursed along the roof of the right atrium toward the tricuspid valve in the atrial relaxation phase. This flow was always noted along the interatrial septum in the four chamber view. During and after mid-systole of the right ventricle, additional blood flow away from the tricuspid valve appeared, moving from the valve to the central part of the right atrial cavity, that is, at the lower right of the preceding inflow; this flow was interpreted as arising from eddy currents caused by the preceding inflow. In early diastole of the right ventricle, the flow signal area along the interatrial septum and the roof of the right atrium extended into the right ventricular cavity through the tricuspid valve. In the atrial contraction phase only the blood near the tricuspid valve in the right atrial cavity appeared to flow into the right ventricular cavity. Inflow from the coronary sinus was almost undetectable. In conclusion, the pathway of blood flowing into the right atrial cavity lies mainly along the posterior wall and then along the roof of the right atrium near the interatrial septum. The remaining portion of the right atrial cavity appears to contain pooled blood." @default.
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- W1993836306 date "1986-02-01" @default.
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- W1993836306 title "Right atrial flow topography in healthy subjects studied with real-time two-dimensional Doppler flow imaging technique" @default.
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- W1993836306 doi "https://doi.org/10.1016/s0735-1097(86)80516-2" @default.
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