Normal variants and benign conditions often misinterpreted as pathologic
Table 1. Normal variants and benign conditions often misinterpreted as pathologic.
Right atrium | Right ventricle |
Chiari network | Moderator band |
Eustachian valve | Muscle bundles/trabeculations |
Crista terminalis | Catheters and pacemaker leads |
Catheters/pacemaker leads | |
Lipomatous hypertrophy of interatrial septum | |
Pectinate muscles | |
Fatty material (surrounding the tricuspid annulus) | |
Left atrium | Left ventricle |
Suture line following transplant | False chords |
Fossa ovalis | Papillary muscles |
Calcified mitral annulus | Left ventricle trabeculations |
Coronary sinus | |
Ridge between LUPV and LAA | |
Lipomatous hypertrophy of interatrial septum | |
Pectinate muscles | |
Transverse sinus | |
Aorta | |
Brachiocephalic vein | |
Innominate vein | |
Pleural effusion |
LAA, left atrial appendages; LUPV, left upper pulmonary vein.
Reproduced with permission of Lippincott Williams & Wilkins from Feigenbaum et al. Feigenbaum’s echocardiography. 6th ed. Philadelphia, PA: Lippincott Williams & Wilkins; 2005. 701 (Table 21.1).