No obvious precardiac pulsation

No obvious precardiac pulsation can be seen in Ebstein syndrome. The bulging and quiet precardiac area can be seen. Ebstein's syndrome, also known as Ebstein's malformation, refers to the tricuspid septum and / or posterior valve that occasionally attaches to the right ventricular wall near the apex with the anterior valve down, accounting for about 0.5% to 1.0% of congenital heart disease. This disease is a rare disease, first reported by Ebstein in 1866. This disease is also called tricuspid valve malformation. Occasionally a family history, the offspring of mothers who take lithium in early pregnancy are susceptible to this disease. In the functional right ventricle, systolic blood pressure can be normal, while diastolic blood pressure often increases, similar to constrictive pericarditis. Atrial cavity systolic and diastolic blood pressure increased. There may be systolic pressure difference on both sides of the pulmonary valve and diastolic pressure difference on both sides of the tricuspid valve. The former may be due to a certain tricuspid valve leaflet being too long and partially obstruct the right ventricular outflow tract; the latter is due to a tricuspid valve malformation and the tricuspid valve Mouth is narrow.

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