Question | Answer |
Normal Upper Venous Flow is considered...? | Respiratory phasicity, superimposed on: cardiac pulsatility |
The hand should be on what side of the ultrasound screen? | Although uncommon it's the right side (inferior) [Most sonographers place the hand on the left side due to probe comfort] |
What can the sonographer do if they are struggling to see the axillary v? | Abduct arm |
What upper extremity vein do you need to do a contralateral image on for ICAVL? | Subclavian vein |
What veins do you scan for hemodialysis access placement? | Superficial veins only |
What is Paget-Shroetter syndrome? | Effort-induced thrombosis in subclavian- axillary vein |
Superior Vena Cava syndrome appears as what? | Edema of neck, face and arms, usually bilaterally from occlusion or compression of SVC. |
Saphenous vein "mapping" can be used for...? | CABG, fem-pop, fem-tib bypass graph, |
What is the smallest size a vein can be to be used for a graph? | 3mm |
90% of incompetent perforating veins are greater than or equal to...? | 3.5 mm |
What is Raynaud's syndrome? | arterial occlusive vasospasm, cold hands |
What does the Allen's test determine? | If the patient has an intact palmer arch? |
What does PPG stand for? | Photoplhlethysmagraphy |
If waveforms flatline during one compression of the wrist...? | Dominance of ulnar or radial artery |