right-to left shunt

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• Right-to-left shunt — A right to left shunt is a cardiac shunt which allows, or is designed to cause, blood to flow from the right heart to the left heart. [DorlandsDict|seven/000096626|right to left shunt] This terminology is used both for the abnormal state in… …   Wikipedia

• Shunt — 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2) A catheter (tube) that carries cerebrospinal fluid from a ventricle in the brain to another area of the body. A shunt may be placed to relieve pressure from… …   Medical dictionary

• Shunt (medical) — Auscultogram from normal and abnormal heart sounds In medicine, a shunt is a hole or a small passage which moves, or allows movement of fluid from one part of the body to another. The term may describe either congenital or acquired shunts; and… …   Wikipedia

• reversed shunt — right to left shunt diversion of blood from the right side of the heart to the left side or from the pulmonary to the systemic circulation through an anomalous opening such as a septal defect or patent ductus arteriosus …   Medical dictionary

• Left-to-right shunt — A left to right shunt is a cardiac shunt which allows, or is designed to cause, blood to flow from the left heart to the right heart. [DorlandsDict|seven/000096615|left to right shunt] This occurs when: #there is an opening or passage between the …   Wikipedia

• left-to-right shunt — diversion of blood from the left side of the heart to the right side or from the systemic to the pulmonary circulation through an anomalous opening such as a septal defect or patent ductus arteriosus …   Medical dictionary

• Left heart hypoplasia syndrome — A form of congenital heart disease in which the whole left half of the heart (including the aorta, aortic valve, left ventricle and mitral valve) is underdeveloped (hypoplastic). Blood returning from the lungs has to flow through an opening in… …   Medical dictionary

• Cardiac shunt — Cardiac shunts may be described as right to left, left to right or bidirectional, or as systemic to pulmonary or pulmonary to systemic. The direction may be controlled by left and/or right heart pressure, a biological or artificial valve, or both …   Wikipedia

• Systemic-to-pulmonary shunt — A systemic to pulmonary shunt is a cardiac shunt which allows, or is designed to cause, blood to flow from the systemic circulation to the pulmonary circulation. This occurs when: #there is a passage between two or more of the great vessels; and …   Wikipedia

• Pulmonary-to-systemic shunt — A pulmonary to systemic shunt is a cardiac shunt which allows, or is designed to cause, blood to flow from the pulmonary circulation to the systemic circulation. This occurs when: #there is a passage between two or more of the great vessels; and …   Wikipedia

• Bidirectional shunt — A bidirectional shunt is a cardiac shunt which allows, or is designed to cause, blood to flow freely between the right heart and the left heart. This occurs when: #there is an opening or passage between the atria, ventricles, and/or great… …   Wikipedia