Tricuspid atresia pathophysiology: Difference between revisions
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{{CMG}} | {{CMG}}; '''Associate Editor-In-Chief:''' [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu] [[Priyamvada Singh|Priyamvada Singh, MBBS]] [[mailto:psingh@perfuse.org]]; '''Assistant Editor-In-Chief:''' [[Kristin Feeney|Kristin Feeney, B.S.]] [[mailto:kfeeney@perfuse.org]] | ||
==Overview== | |||
==Pathophysiology== | |||
===Normal Human Heart=== | |||
[[Image:Diagram of the human heart (cropped).svg|center|Caption:Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Tricuspid valve labeled at bottom left.)]] | |||
===Tricuspid Atresia=== | |||
[[Image:Tricuspid_atreisa.png|center|500px]] | |||
This defect occurs during prenatal development. Because of the lack of an A-V connection, an [[atrial septal defect]] (ASD) ''must'' be present to maintain blood flow. Also, since there is a lack of a right ventricle there ''must'' be a way to pump blood into the [[pulmonary arteries]], and this is accomplished by a [[ventricular septal defect]] (VSD). | This defect occurs during prenatal development. Because of the lack of an A-V connection, an [[atrial septal defect]] (ASD) ''must'' be present to maintain blood flow. Also, since there is a lack of a right ventricle there ''must'' be a way to pump blood into the [[pulmonary arteries]], and this is accomplished by a [[ventricular septal defect]] (VSD). | ||
Blood is mixed in the [[left atrium]]. Because the only way the pulmonary circulation receives blood is through the VSD, a [[patent ductus arteriosus]] is usually also formed to increase pulmonary flow. | Blood is mixed in the [[left atrium]]. Because the only way the pulmonary circulation receives blood is through the VSD, a [[patent ductus arteriosus]] is usually also formed to increase pulmonary flow. | ||
==References== | ==References== | ||
Revision as of 19:25, 2 October 2012
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Tricuspid atresia Microchapters |
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Diagnosis |
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Treatment |
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Special Scenarios |
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Case Studies |
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Tricuspid atresia pathophysiology On the Web |
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American Roentgen Ray Society Images of Tricuspid atresia pathophysiology |
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Risk calculators and risk factors for Tricuspid atresia pathophysiology |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Keri Shafer, M.D. [2] Priyamvada Singh, MBBS [[3]]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [[4]]
Overview
Pathophysiology
Normal Human Heart
.svg)
Tricuspid Atresia
This defect occurs during prenatal development. Because of the lack of an A-V connection, an atrial septal defect (ASD) must be present to maintain blood flow. Also, since there is a lack of a right ventricle there must be a way to pump blood into the pulmonary arteries, and this is accomplished by a ventricular septal defect (VSD).
Blood is mixed in the left atrium. Because the only way the pulmonary circulation receives blood is through the VSD, a patent ductus arteriosus is usually also formed to increase pulmonary flow.