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Adult Nursing chp 8

Diagnostic Test for Peripheral Vascular Disorders

QuestionAnswer
Measures blood flow in areteries or viens Doppler ultrasound
IV contrast is administered, Blood visualized by radiography using an image intensifier video system and monitor Digital Subtaction Angiography (DSA)
Exercise to determine blood flow to extremeties Treadmill Test
Assesses blood volume in the veins Plethysmography
Radiographic visualization of veins, iv contrast is administered in a foot vein, x-rays are taken to detect filing defects, assesses for condition of deep veins to diagnose deep vein thrombosis. Phlebography or venography
IV contrast is administered, ex ray to visualize arteries Angiography
Assesses for acute calf vein thrombosis. Fibrinogen is tagged with iodine 125 and given iv, it can then be detected in the blood stream by a gamma ray detector 125-1 Fibrinogen Uptake Test
D-dimer forms when fibrin is broken down. When a thrombus is present d-dimer levels are elevated, usually greater than 1591 ng/ml. Normal value 68-494 ng/ml D-dimer serum test
Combination of ultrasound imaging and doppler, determines location and extent of thrombus within viens. Duplex Scanning
Created by: dallen_71
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