fistulas and grafts
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| which veins does not have an accompanying artery in the upper ext? | cephalic and basilic
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| What is a lowest vein diameter suitable for AV Fistula? | 2.5mm
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| when can a graft be used? | when fistulas have failed and veins are inadequate
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| T/F Fistulas are created in the non-dominate arm | TRUE
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| Which graft is impenetrable by ultrasound? | Vectra
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| what is the diameter for the arterial for it to be used | 2.0mm
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| What is the diameter for a vein when using a graft? | 4mm
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| High resistant waveform in an artery prox to a graft/fistula is Normal. yes/no | NO! high resistance is a sign of graft occlusion or stenosis
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| Digital ischemia is caused by what type of condition? | radial artery steal
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| With a graft, where is the most common site of stenosis caused by intimal hyperplasia? | Prox to the anastomosis
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| "Normal" grafts/fisulas have low/high velocities and low/high resistance | High velocities 100-400, Low resistance
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| High resistance distal to the anastomosis site is Normal? y/n | Yes- Flow should be antegrade and high res.
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| Elevated right side heart pressure is a complication of a graft and fistula? y/n | yes- along w stenosis, thrombosis, steal, aneurysms, and infection
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amandarose01
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