Ultrasound, Arterial Doppler, Lower and Upper Extremity Studies
is a topic covered in the Davis's Lab & Diagnostic Tests
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Doppler, arterial ultrasound, duplex scan.
To visualize and assess blood flow through the arteries of the upper and lower extremities toward diagnosing disorders such as occlusion and aneurysm and to evaluate for the presence of plaque and stenosis. This procedure can also be used to assess the effectiveness of therapeutic interventions such as arterial graphs and blood flow to transplanted organs.
There are no food or medication restrictions unless by medical direction. Some protocols may require the patient to restrict nicotine and caffeine for 1 to 2 hr before the procedure in order to avoid vasoconstriction or vasodilation.
- Normal blood flow through the lower extremity arteries with no evidence of vessel occlusion or narrowing
- Normal arterial systolic and diastolic Doppler signals
- Normal reduction in systolic blood pressure (i.e., less than 20 mm Hg) when compared to a normal extremity
- Normal ABI (greater than 0.85).
Critical Findings and Potential Interventions
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Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Ultrasound, Arterial Doppler, Lower and Upper Extremity Studies." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425221/all/Ultrasound__Arterial_Doppler__Lower_and_Upper_Extremity_Studies.
Bladh ML, Van Leeuwen AM. Ultrasound, Arterial Doppler, Lower and Upper Extremity Studies. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425221/all/Ultrasound__Arterial_Doppler__Lower_and_Upper_Extremity_Studies. Accessed October 20, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Ultrasound, Arterial Doppler, Lower and Upper Extremity Studies. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425221/all/Ultrasound__Arterial_Doppler__Lower_and_Upper_Extremity_Studies
Bladh ML, Van Leeuwen AM. Ultrasound, Arterial Doppler, Lower and Upper Extremity Studies [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 October 20]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425221/all/Ultrasound__Arterial_Doppler__Lower_and_Upper_Extremity_Studies.
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