Peripheral Vascular Disease Flashcards
What do you call the bluish red appearance d/to CO2?
Reactive Hyperemia
In the RBCs what are the 4 protein chains attached to?
The 4 protein chains are attached to 4 iron (Fe) pigment complexes
What consists of the oxyhemoglobin?
Oxygen (O2 ) and Iron atom (Fe)
Erythrocytes contain hemoglobin molecule which is responsible for ____.
Hemoglobins are responsible for O2 transport to tissues.
What fluid comprises 8% of the total body weight TBW?
Blood
Enumerate all of the lymphatic organs.
Spleen, thoracic duct, thymus, tonsils and lymph nodes
_____ are fragile & are more likely to collapse under pressure than the veins
Lymphatics
Lymphatics are located in all portions of the body except the ___ & ___
CNS and Cornea
Where is the lymph fluid first absorbed at?
Capillary level
Pain that occurs and gradually increase with exercise refers to ____
Intermittent Claudication
If the site of intermittent claudication is at the arch of the foot where is the occluded artery?
Plantar and tibial artery
When is rest pain more frequent?
Rest pain at night
In rest pain when the limb is elevated there is a ____ in pain.
Increase in pain with leg elevation
How should you position a pt with c/o of rest pain?
Dependent position of the legs
Pulselesness is a sign of ____
Severe arterial insufficiency
What grading is normal pulse (brisk, expected)?
Grade 2+
(+) Buerger sign
Pallor of the elevated feet within 1 min or less = Poor arterial circulation
In rubor of dependency, what do you call the sign when pt has bluish red in dependent pos or takes 30 secs to appear?
Goldflam sign
For the claudication grading, what refers to the intense pain; patient’s attention cannot be diverted
Grade 3
In the Doppler US what is the MHz of deeper vessels or edematous LE?
5 MHz
The manual BP cuff has to be at least 20% ____ than circumference of compression site
Larger
Provide the formula for ABI.
Highest R/L Ankle BP divided by the Highest Brachial BP of both arms
What should you do if the ABI values is 0.8 - 1.0?
Treat risk factors
What should you do if the ABI value is 1.0-1.2?
Nothing
What is the ABI value to do an urgent referral to a vascular specialist?
< 0.5
What is the ABI value of “mixed etiology some venous and some arterial but predominantly venous”?
ABI value: 0.5-0.8
What ABI value is compression contraindicated?
ABI value: > 1.3
Where is the most common location of an arterial embolus?
Femoral-popliteal bifurcation
Are exercises contraindicated for pt’s with acute occlusion?
Yes d/t blood clot theraex are contraindicated along with direct heat over painful areas or use of support hose
What is the most common and initial sx of ASO?
Intermittent claudication
How much reduction in blood flow is present in pt’s with exercise pain?
50-60% reduction in blood flow