Augmentation Test
August 24th, 2017
Overview
Test For
- Inflow stenosis
How to Perform
- Use a finger to occlude outflow from the fistula a few centimetres from the anastomosis.
Interpretation
- Normal - the fistula becomes hyperpulsatile, and the thrill disappears.
- Inflow stenosis - the fistula remains weakly pulsatile
- Accessory vein - the fistula becomes hyperpulsatile, and the thrill persists..
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