Catheterization and Angiography
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58 slides .ppt
document in English
medical studies
presentation
published 31/07/2007
review : Completed
level : General public
requested 7 times
Summary
A significant reduction in coronary flow reserve is present when the ratio of flow at rest to flow after vasodilation is less than 2 : 1. Measurement of the pressure gradient across a stenosis using a small wire transducer also can assess functional severity. Fractional flow reserve is the ratio of the distal pressure to proximal pressure after maximum vasodilation. A fractional flow reserve of less than 0.75 indicates a significant stenosis.
Table of Contents
- Indications
- Contraindications and Risks
- Technique
- Hemodynamic Assessment
- CARDIAC OUTPUT
- VALVE AREAS AND RESISTANCES
- Conclusions
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