title: Unusual Flap-Like Linear Echogenic Structure in the Posterior Right Atrium Above the Tricuspid Valve Septal Leaflet.
authors.affiliation: Anesthesia Services and Cardiothoracic Surgery Services, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI. Electronic address: pspagel@mcw.edu.
authors.forename: Paul S
authors.initials: PS
authors.lastname: Pagel
authors.affiliation: Anesthesia Services and Cardiothoracic Surgery Services, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI.
authors.forename: Derek J
authors.initials: DJ
authors.lastname: De Vry
authors.affiliation: Anesthesia Services and Cardiothoracic Surgery Services, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI.
authors.forename: Andrew M
authors.initials: AM
authors.lastname: Overturf
authors.affiliation: Anesthesia Services and Cardiothoracic Surgery Services, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI.
authors.forename: Zahir A
authors.initials: ZA
authors.lastname: Rashid
mesh_terms: D017548:Echocardiography, Transesophageal / Q000379:methods*; D006325:Heart Atria / Q000002:abnormalities* / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D014261:Tricuspid Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging* / Q000601:surgery
keywords: Thebesian valve; cardiac anatomy; coronary sinus ostium; coronary venous circulation; right atrium; transesophageal echocardiography