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Nurs 228 CH 21

Peripheral Vascular System

What do arteries do? carry oxygenated, nutrient rich blood from the heart to the capillaries.
How is blood propelled? under pressure from the left ventricle of the heart
Arterial Pulse is? the surge of blood that is forced through the arterial vessels under high pressure.
peripheral arteries the major arteries of the arms and legs that are accessible to examination
brachial artery the major artery that supplies that arm
Where can the brachial artery be palpated? medial to the biceps tendon in and above the bend of the elbow
radial artery a division of the brachial artery; divides near the elbow it extends down the thumb side of the arm
Ulnar artery a division of the brachial artery; divides near the elbow and extends down the little finger side of the arm
Where can the radial pulse be palpated? on the lateral aspect of the wrist
Where is the ulnar pulse located? on the medial aspect of the wrist, it is deeper pulse and may not be easily palpated
What are veins? blood vessels that carry deoxygenated blood, nutrient depleted, waste-laden blood from the tissues back to the heart.
where do the veins of the arms, upper trunk, head and neck carry blood to? superior vena cava
where does blood of the legs and lower trunk drain into? inferior vena cava
The veins contain what percentage of the body's blood volume? nearly 70%
the three types of veins are? deep, superficial, and perforator
The venous system is a _________ ___________ system? Low pressure
what function do the lymph nodes serve? they trap and destroy microorganisms, foreign material, dead blood cells, and abnormal cells
Where does the right lymphatic duct drain into? the upper right side of the body, then back into the subclavian veins
Thoracic duct drains the remaining lymph that does not go to the right lymphatic duct and returns it to subclavian veins
What is DVT Deep vein thrombosis; a blood clot in a deep leg vein; can develop in the lower leg or thigh
Where DVT is more serious in the leg or thigh The thigh because the clot can travel to the lungs
Risk factors of DVT some cancers and cancer treatments sitting for long periods, esp the car or airplane Pregnancy esp the first 6 weeks and after giving birth 60 years of age or older Birth control pills overweight
The use of oral or transdemal patches amount female clients increases the risk for? thrombophlebitis, Raynaud's disease, hypertension, and edema
The use of support hose to treat varicose veins may? help reduce venous pooling and increase blood reaturen to the heart
When compression the nail bed to assess capillary refill what is consider a normal finding? The capillary beds refill in 2 seconds or less
An abnormal capillary bed refill time may indicate? vasoconstriction; decreased cardiac output, shock, arterial occlusion, or hypothermia
When assessing the PV system what factors can contribute to inaccurate findings? If the room is cool, the client has edema, anemia, or the client has recently smoked a cigarette
When palpating the radial pulse what should you note? elasticity and strength
should brachial pulses have equal strength bilaterally? Yes; normal pulses bilaterally are considered normal assessment findings
Enlarged epitrochlear lymphnodes may indicate? an infection in the hand or forearm, or may occur with generalized lymphadenopathy
Can you palpate the epitrochlear lymph nodes? No
Bilaterial edema in the legs usually indicates? a systemic problem such as congestive heart failure or a local problem such as lympedema
when palpating bilaterally for temperature of the feet and legs what side of your fingers should you use? The backs of your fingers
Varicous veins result from? incompetent valves in the veins, weak vein walls, or an obstruction above the varicosity
Are varicosities common in older clients? Yes
A weak or absent posterior tibial pulse indicates? partial or complete arterial occlusion
When do you perform the manual compression test if the client has varicose veins; this test assess the competence of the vein's valves
The Tandenlenburg test is used to determine the competence of the saphenous vein valves and the retrograde filling of the superficial veins.
Created by: 1390023652