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Relative Atrial Index

Known as: The Relative Atrial Index (RAI) 
The Relative Atrial Index (RAI) is a numeric parameter used to assess for cardiac shunt defects. It is calculated from the standard transthoracic… 
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Papers overview

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2018
2018
Atrial fibrillation (AF) is a major heart disorder in clinical practice occurring due to irregular heart rates, leading to… 
2003
2003
Background— We assessed the feasibility of beating atrial septal defect (ASD) closure monitored by real-time 3D echocardiography… 
1980
1980
SummaryThe atrial endocardium and myocardium in three teleost species Gadiculus thori J. Smith, Melanogrammus aeglefinus (L.) and… 
1974
1974
It was the purpose of this study to determine normal values for sino-atrial (SA) node recovery time in 54 subjects age 4 months… 
1966
1966
The diameter, distending pressure and flow in the superior vena cava and aortic flow were recorded simultaneously in…