Echocardiography of the Inter-Atrial Septum
Atrial septal identification has been carried out from a right parasternal position but this technique has been limited in its utility since only a few patients are suitable for echocardiographic examination from the right side of the sternum1 . Echocardiographic recordings of the tricuspid valve often contain a thin linear echo complex deep to the valve which has, in the past, caused some confusion and resulted in the identification of this line as the ventricular septum. The purpose of this report is to identify this line as the atrial septum, based on correlations with known anatomy and by the use of intra-cardiac contrast injections, as well as to demonstrate its usefulness and application in various clinical settings. It confirms, in part, previous work done in this field in Japan2 .
KeywordsMitral Valve Left Atrium Coronary Sinus Tricuspid Valve Pericardial Effusion
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- 2.Matsumoto M, Nimura Y, Matsuo H, Nagata S, Mochizuki S, Sakakibara H, Abe H: Interatrial septum in B-mode and conventional echocardiograms — A clue for the diagnosis of congenital heart diseases. J Clin Ultrasound 3:29, 1975Google Scholar
- 3.Feigenbaum H: Echocardiography. Philadelphia, Lea and Febiger, 1972Google Scholar