Pulmonary valve stenosis echocardiogram: Difference between revisions
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'''Wiki''Doc'' Microchapters for | |||
'''Pulmonary valve stenosis''' | |||
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[[Pulmonary valve stenosis|Pulmonary valve stenosis Home]] | |||
[[Pulmonary stenosis epidemiology|Epidemiology and Demographics]] | |||
[[Pulmonary stenosis Etiology and anatomy#Etiology|Etiology]] | |||
[[Pulmonary stenosis Etiology and anatomy#Anatomy|Anatomy]] | |||
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Diagnosis | |||
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[[Pulmonary valve stenosis diagnosis#Symptoms|Symptoms]] | |||
[[Pulmonary valve stenosis diagnosis#Physical Examination|Physical Examination]] | |||
[[Pulmonary valve stenosis echocardiogram#Echocardiography|Echocardiography]] | |||
[[Pulmonary valve stenosis echocardiogram#Severity Assessment|Severity Assessment]] | |||
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[[Pulmonary valve stenosis#Treatment|Treatment]] | |||
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{{CMG}} | {{CMG}} | ||
==[[Echocardiography]]== | ==[[Echocardiography]]== | ||
Revision as of 16:19, 23 June 2011
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WikiDoc Microchapters for Pulmonary valve stenosis |
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Diagnosis |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Echocardiography
2D echocardiography
- Thickened leaflets with systolic bowing in valvular stenosis.
- Difficult to distinguish between valvular, sub valvular and supra valvular stenosis with 2D echocardiography.
- Post stenotic pulmonary artery dilatation can be visualised sometimes.
Doppler echocardiography
- Ante grade velocity increased with corresponding maximum and mean pressure gradients.
- Pulmonary valve area can be calculated using the continuity equation.
- Pulmonary Valve Area = (Cross sectional areaRVOT * VTIRVOT)/ VTIPV
- The site of obstruction can be difficult to diagnose by 2D echo. Cautious use of colour flow mapping and PW Doppler can pin point the location of obstruction.
- Pulmonic Stenosis 1
<googlevideo>6761754875447006755&hl=en</googlevideo>
- Pulmonic Stenosis 2
<googlevideo>-5301172737736229119&hl=en</googlevideo>
- Pulmonic Stenosis 3
<googlevideo>-5141870933248575471&hl=en</googlevideo>
Severity Assessment
| Severity | mild | moderate | severe |
|---|---|---|---|
| Valve area | >1.0 | 1- 0.5 | <0.5 |
| Peak gradient (mm Hg) | <10-25 | 25-40 | >40 |