Items tagged “right atrium”
5 results found
Article
Ebstein anomaly
Ebstein anomaly is an uncommon congenital cardiac anomaly, characterized by a variable developmental anomaly of the tricuspid valve.
Epidemiology
The anomaly accounts for only ~0.5% of congenital cardiac defects 6,7, although it is the most common cause of congenital tricuspid regurgitation. T...
Article
Crista terminalis
The crista terminalis is a smooth muscular ridge in the superior aspect of the right atrium, formed following resorption of the right valve of the sinus venosus. It represents the junction between the sinus venarum, the "smooth" portion of the right atrium derived from the embryologic sinus veno...
Article
Right atrium
The right atrium (RA) (plural: atria) is one of the four chambers of the human heart, and is the first chamber to receive deoxygenated blood returning from the body, via the two venae cavae. It plays an important role in originating and regulating the conduction of the heart.
Gross anatomy
The...
Article
Right atrial line
The right atrial (RA) line monitors RA pressure and is indicative of right ventricular function, preload and afterload. The RA line enters the right atrium through the right atrial appendage, and always exits the right side of the chest medial to the left atrial line. It is typically a double lu...
Article
Thebesian valve
The Thebesian valve, also known as the valve of the coronary sinus, is a fold in the right atrium at the opening of the coronary sinus 1.
The valve can create difficulties and interfere with the cannulation of the coronary sinus during cardiac resynchronisation therapy (CRT) 1.
Gross anatomy
...