title: Nonobstructive membranes of the left atrial appendage cavity: report of three cases.
abstract: A membranous structure causing functional stenosis at the mouth of the left atrial appendage (LAA) has been reported. In this study we describe the presence of nonobstructive membranes traversing the cavity of the LAA found incidentally on transesophageal echocardiography (TEE).
authors.affiliation: Division of Cardiology, Department of Medicine, Baystate Medical Center, Springfield, Massachusetts, USA.
authors.forename: Nicholas
authors.initials: N
authors.lastname: Bakris
authors.forename: Dennis A
authors.initials: DA
authors.lastname: Tighe
authors.forename: John A
authors.initials: JA
authors.lastname: Rousou
authors.forename: William L
authors.initials: WL
authors.lastname: Hiser
authors.forename: Joseph E
authors.initials: JE
authors.lastname: Flack
authors.forename: Richard M
authors.initials: RM
authors.lastname: Engelman
mesh_terms: D000368:Aged; D020517:Atrial Appendage / Q000033:anatomy & histology* / Q000000981:diagnostic imaging*; D017548:Echocardiography, Transesophageal; D005260:Female; D006801:Humans; D008297:Male; D008566:Membranes / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D008875:Middle Aged