USIDMS Extremity Bypass Grafts
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| Common types of graft material used... | Synthetic: PTFE (poor long-term), Autogenous (preferred, better long term), Cadaver (Last choice)
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| Which type of autogenous vein graft stays in its native bed? | In Situ
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| Which type of autogenous vein graft does not get removed? | In Situ
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| Which type of autogenous vein graft has to use a valvulatome? | In Situ
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| Which type of autogenous vein graft has the large end of the vein at the proximal anastomosis? | In Situ
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| Which type of autogenous vein graft has to remove the GSV? | Reversed
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| Which type of autogenous vein graft flips the vein upside down in the patients leg? | Reversed
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| Which type of autogenous vein graft has the small end of the vein at the distal anastomosis? | In Situ
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| Which type of autogenous vein graft has the small end of the vein at proximal anastomosis? | Reversed
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| Which type of autogenous vein graft has the large end of the vein at the distal anastomosis? | Reversed
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| What velocity and velocity ratio indicates a graft stenosis? | ≥150 cm/s or ≥2.0
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| What velocity should a graft stay above? | 40-45 cm/s
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| What are the two main types of stents and describe them? | Palmaz- balloon deployed, Wallstent- self-expanding
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| Arteriography is described as.... | Catheter inserted into a artery, injects dye(usually CFA or brachial), provides road maps
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| Intravascular ultrasound is described as.... | medical imaging methodology using a specially designed catheter with a miniaturized ultrasound probe attached to the distal end
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| Angioscopy is described as.... | Not ultrasound, but visualizes the interior of blood vessels.
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| What images the vessels by using magnetic fields to excite hydrogen atoms in the body? | Magnetic Resonance Angiography (MRA)
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| What are Magnetic Resonance Flow Meters? | MRI has the capability of measuring flowing blood (the rate), tells the difference between venous (MRV... brain) and arterial (MRA).
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| What is the gold standard for looking for brain activity/death? | Brain SPECT (NucMed)
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| What are the four steps of treating vascular disease? | 1. Lifestyle Modification
2. Pharmacologic Treatment
3. Surgical Treatment
4. Endovascular Treatment
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| What are two different reasons for Warfarin to be given? | 1. thrombolytic therapy
2. Atrial Fibrillation
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| What happens to blood pressure when a patient takes: Ace Inhibitors, Beta Blockers, & Calcium channels blockers? | Blood pressure drops
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| What happens to blood pressure when a patient takes a vasodilators such as Nitroglycerine? | Blood pressure drops
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| What happens to blood pressure when a patient takes a vasoconstrictor such as Dopamine & Norepinephrine? | Blood pressure raises
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