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Transcipt of video: Mild tricuspid regurgitation is often noted on echocadiogram reports and sometimes causes a little bit of worry and a lot of questions are asked on mild tricuspid regurgitation. What is this mild tricuspid regurgitation? And mild tricuspid regurgitation is just a small leak from the tricuspid valve.
In Ebstein’s anomaly, there is downward or apical displacement of posterior and septal tricuspid leaflets. The anterior leaflet is not displaced, but is elongated to meet the other leaflets, so that when it closes, a loud sound, tricuspid sound, is produced, which is called as the sail sound.
Tetralogy of Fallot TOF with pulmonary atresia Pulmonary atresia with intact interventricular septum Tricuspid atresia Double outlet right ventricle Transposition of great arteries with ventricular septal defect and pulmonary stenosis Ebstein’s anomaly of tricuspid valve In DORV and tricuspid atresia, there are also variants with increased pulmonary (..)
It is an operation used for certain types of congenital heart disease, typically for tricuspid atresia. Fontan surgery is basically a univentricular type of repair in which lungs are supplied through the Fontan circuit while the functional ventricle is used to pump blood to the aorta.
While estimating right ventricular systolic pressure or RVSP, from tricuspid regurgitation gradient, usually we add 10 mm of mercury to the observed tricuspid regurgitation gradient to get the estimated right ventricular systolic pressure or RVSP. But this nominal 10 may not be always correct. And normal IVC, 1.5
And that will be the approximate level of the tricuspid valve, the reference point for measuring right atrial pressure. In right atrial tracing, this occurs at the time of right ventricular contraction, with bulging upwards of the tricuspid valve. The Y descent is shallow in tricuspid stenosis, and absent in cardiac tamponade.
Apical four chamber view shows all four cardiac chambers, mitral and tricuspid valves, and the septa. A right parasternal view may be used when the heart is enlarged, to assess the tricuspid regurgitation jet. Apical four chamber, two chamber and three chamber views can be obtained by rotating the transducer.
Tricuspid regurgitation jet velocity and pulmonary regurgitation end diastolic velocity indicating pulmonary hypertension are also taken as surrogates of left atrial pressure in the absence of pulmonary disease.
Bernoulli equation (P=4V 2 ) gives the gradient of tricuspid regurgitation flow, which corresponds to the pressure difference between right ventricle and right atrium in systole.
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