Right ventricular outflow tract obstruction differential diagnosis: Difference between revisions
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{ | {{Right ventricular outflow tract obstruction}} | ||
{{CMG}} | {{CMG}} | ||
Revision as of 14:59, 24 June 2011
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Right ventricular outflow tract obstruction Microchapters |
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Classification |
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Differentiating Right ventricular outflow tract obstruction from other Diseases |
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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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Right ventricular outflow tract obstruction differential diagnosis On the Web |
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FDA on Right ventricular outflow tract obstruction differential diagnosis |
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CDC on Right ventricular outflow tract obstruction differential diagnosis |
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Right ventricular outflow tract obstruction differential diagnosis in the news |
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Blogs on Right ventricular outflow tract obstruction differential diagnosis |
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Directions to Hospitals Treating Right ventricular outflow tract obstruction differential diagnosis |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Keri Shafer, M.D. [3]
Differential Diagnosis
1. Atrial septal defect: Also has a systolic ejection murmur, wide fixed split S2, EKG showing RVH. In ASD the split of the S2 is fixed, there is no ejection click.
2. Small Ventricular septal defect: Amyl nitrate increases venous return and increases the murmur of pulmonary stenosis, in VSD the murmur becomes softer.
3. Mild left-sided outflow obstruction: With valsalva maneuver the murmur of aortic stenosis becomes softer after about 5 beats, with pulmonary stenosis it becomes softer within 3 beats.
4. Acyanotic or pink tetralogy of Fallot: with amyl nitrate and increased venous return the murmur of PS increases, and the murmur of tetralogy decreases because of peripheraldilation and an increase in right to left shunting.