Prominent Crista Terminalis: As An Anatomic Structure Leading to Atrial Arrhythmias and Mimicking Right Atrial Mass

Akcay, MURAT; Bilen, Emine; Bilge, Mehmet; DURMAZ, TAHİR; Kurt, Mustafa

doi:10.1016/j.echo.2006.08.037

Prominent Crista Terminalis: As An Anatomic Structure Leading to Atrial Arrhythmias and Mimicking Right Atrial Mass

Akcay M., Bilen E. S., Bilge M., DURMAZ T., Kurt M.

Journal of the American Society of Echocardiography, cilt.20, sa.2, 2007 (SCI-Expanded, Scopus)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 20 Sayı: 2
Basım Tarihi: 2007
Doi Numarası: 10.1016/j.echo.2006.08.037
Dergi Adı: Journal of the American Society of Echocardiography
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Ankara Yıldırım Beyazıt Üniversitesi Adresli: Evet

Özet

Crista terminalis is a fibromuscular ridge at the posterolateral region of the right atrium (RA). Superiorly localized prominent crista terminalis can mimic pathologic RA mass on transthoracic echocardiograms. Transesophageal echocardiography can be used to differentiate nonpathologic structures from pathologic ones. Besides mimicking RA mass, crista terminalis is an important anatomic structure responsible for paroxysmal atrial fibrillation and atrial flutter by initiating ectopic atrial beats. In this case we discuss a patient with atrial arrhythmias who had prominent crista terminalis misdiagnosed as RA mass. © 2007 American Society of Echocardiography.