UEA Anatomy
What does the brachial artery divide into?
radial and ulnar arteries
Other name for Thromboangitis Obliterans?
Buerger's Disease
How long does the pt immerse their hands in the ice water for with Raynaud's?
3-5 mins; or as long as pt can tolerate
0.8-0.9
What is the most common dialysis graft? What vessels does it most commonly connect?
Brescia-Cimino; radial artery and cephalic vein
What artery is the continuation of the subclavian artery?
axillary artery
What does someone with Primary Raynaud's experience?
Constriction of vessels leading to vasospasm
What are clinical symptoms for UEA testing?
finger discoloration, temperature changes, ulcers
For an arterial study, air gets injected into the cuff of a PVR until what pressure gets reached?
60-65 mmHg
What are the 5 characteristics of stenosis?
Proximal pulsatility, flow jet, turbulence, tardus parvus, collaterals
What does the subclavian artery travel posterior to? (2 structures)
clavicle & scalene muscle
What kinds of things could someone obtain Hypothenar Hammer Syndrome from? What artery is mostly effected?
Repeated use of grinding, pushing, and twisting of objects with the palm; Ulnar artery
Why might finger pressures be reduced?
if the digits are cold
What kind of waveform is a pt with Primary Raynaud's going to have?
Peaked waveform
Blood supply to vascular tissue is supplied by?
Vasa vasorum
What kind of branches do the digital arteries divide into?
lateral & medial branches
With Quadrilateral Space Syndrome, what vessels/structures are being impinged?
axillary nerve & posterior humeral circumflex artery
The Allen Test assesses patency of what vessels? HINT: 3 structures/vessels
ulnar artery, radial artery, palmar arch
What kind of waveform will you see when testing a pt that is POSITIVE for thoracic outlet syndrome?
flattened/disappearance of the waveform
Peripheral resistance increases with what kind of length, diameter, and viscosity? [greater/shorter, smaller/larger, lower/higher]
greater length, smaller diameter, higher blood viscosity
What does the radial artery terminate in? What kind of branch does it give off?
terminates in deep palmar arch; gives off superficial branch in hand
What are 3 different compressions that someone could experience with TOS?
compression between 1st rib & clavicle; 1st rib & scalene muscle; coracoid process & pectoralis muscle
What are the 6 maneuvers the pt does for TOS testing?
1. at rest 2. arms abducted 90 degrees 3. arms elevated 180 degrees 4. exaggerated military stance 5. Adson Maneuver (head turning) 6. symptomatic/causative position
What PSV will you see with >50% stenosis in a dialysis graft?
>300 cm/s
A low PSV obtained through dialysis access graft suggests what?
arterial inflow problem