This word means an abnormal narrowing of the inside of an arterial vessel, usually from atherosclerosis.
What is "stenosis"
Which veins accompany the posterior tibial artery?
What are the posterior tibial veins (usually paired, occasionally 3)
What doppler waveform is expected in a normal resting peripheral artery?
What is Triphasic
The doppler angle SHOULD ideally always be?
"what is 60 degrees"
This term denotes backward blood flow in a venous segment, > specific threshold, indicating valvular incompetence
What is "reflux"
The two arteries formed when the common carotid artery bifurcates in the neck?
what are the "internal and external carotid arteries"
What waveform is expected distal to a SEVERE arterial stenosis?
What is Monophasic (tardus-parvus) waveform
When the Nyquist limit is exceeded, ________occurs?
What is "Aliasing"
These three words mean an abnormal "clot" in a vein, *NOT located in a superficial vein
What is "deep vein thrombosis"
These are the 3 layers that make up the wall of an artery or a vein
What are: tunica intima, tunica media, and tunica adventitia
This word describes the OPPOSITE of laminar blood flow
What is "turbulence" or "turbulent flow"
The artifact most likely caused by heavily calcified plaque is?
what is "shadowing"
*DAILY DOUBLE if you describe simply what causes shadowing
This means a localized and abnormal permanent dilitation of an artery (usually 1.5x its normal diameter)
wha is an "aneurysm"
This VERY short venous segment connects deep and superficial veins, and its name describes how it relates to the fascia.
what is a "perforator"
Poiseuilles law states that ________ is the most significant factor affecting resistance to blood flow?
what is "vessel radius" (remember resistance is inversely proportional to the radius to the fourth power)
The most effective adjustment to reduce aliasing would be?
What is "increase PRF/scale"
What is the most common site to find lower extremity DVT?
What are Calf veins (specifically soleal veins)
This artery is the first artery that comes off the external carotid artery
What is "superior thyroid"
This Old French word, which means "roar", "noise", or "bellowing", is often used to describe the abnormal arterial sound heard through a stethoscope.
What is "Bruit".. (pronounced "Brewy")
What happens to attenuation when transducer frequency increases?
What is INCREASE in attenuation?
A patient has a resting ABI (ankle/brachial index) of 1.45. What does this most likely indicate?
What are noncompressible, calcified arteries?
Which artery is most commonly affected by an emboli from the heart?
What is the Common Femoral Artery
Into which DEEP vein does the Small Saphenous Vein usually drain?
What is the Popliteal Vein
What happens to distal (peripheral) arterial RESISTANCE after exercise?
What is "DECREASES"
What is the vessel where REVERSAL of flow is commonly seen in "Subclavian Steal Syndrome"?
What is the vertebral artery?
Which VESSEL is compromised by "May Thurner Syndrome"?
What is the Left Common Iliac Vein
Which artery becomes the Axillary artery?
What is the Subclavian artery