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US Vascular Final
Terms in this set (95)
A high resistance flow pattern in the distal portion of the ICA suggests which of the following conditions?
severe distal ICA stenosis
The most commonly branch of the ECA is:
Which of the following vessels supply a high resistant system?
external carotid artery
A systolic velocity recorded from the origin of the ICA that is less than 125 cm/sec suggests:
a stenosis less than 50% diameter reduction
An ultrasound finding of the doppler signal from an external carotid artery (ECA) is:
The "temporal tap" is done to differentiate which artery?
The doppler sample volume should be kept ____ during a carotid duplex imaging examination.
When determining the ICA, CCA ration the CCA velocity should be obtained from the:
distal straight segment
What is the first branch of the ECA?
superior thyroid artery
Which of the following phrases describes a transient ischemic attack (TIA)?
duration less than 24 hours
The degree of stenosis at the origin of the ICA is determined by:
peak systolic and end diastolic velocities
The innominate artery divides into the ____ and ____ arteries.
right common carotid; right subclavian
A characteristic of a subclavian steal is:
reversal of blood flow in the vertebral artery
An abnormal spectral doppler waveform shape from the ICA suggests:
proximal or distal disease/occlusion
Noise caused by tissue vibration produced by turbulent flow is:
The vertebral artery usually arises from the:
A stroke symptom when a patient cannot speak or express themselves is called:
A contralateral ICA occlusion may cause the ipsilateral ICA velocities to be:
What is the first branch of the ICA?
The NASCET sudy clearly demonstrated benefits of carotid endarterectomy over medical management in patients who are symptomatic and have stenosis greater than or equal to ____%.
Which of the following is the most common cause of re-stenosis following carotid endarterectomy?
A patient presents with the classic cerebrovascular symptom of left amaruosis fugax. Of the choices below, what is the most likely cause?
Atheroemboli from the left ICA
Placement of the doppler sample volume should be parallel to the:
Which of the following best describes the position of the ICA in the neck?
it lies more posterior to the ECA
An ultrasound characteristic of the internal carotid artery (ICA) includes:
low-resistance doppler signal
The first major branch of the aorta is the:
Which of the following is a non-atherosclerotic disease involving the mid segment of the ICA and found predominately in females?
A warning sign of stroke is:
temporary blindness in one eye
The vertebral artery
both A and C
A difference greater than 20mmHg pressure between arms suggests disease of the:
Transient partial or complete loss of vision.
The characteristics of a normal venous doppler signal from the lower extremity include all except which of the following?
Which of the following describes the anatomical position of the popliteal vein compared to the popliteal artery?
it lies posterior to the artery
The normal venous sounds heard during a lower extremity doppler exam are:
phasic with respiration, showing an increase with expiration
Risk factors for DVT include all except which of the following?
The common femoral vein lies:
in Scarpa's canal
What is the main impediment to blood return from the legs to the heart when sitting?
When performing a venous doppler examination it is important to keep the patient warm because:
cold temperatures will decrease the flow state
The gastrocnemius veins drain into what deep vein?
Angle correction of the doppler signal is not necessary during a lower extremity venous duplex examination because:
peak venous velocity does not provide any clinical information in lower extremity duplex imaging
Which of the following is not one of the three factors of Virchow's triad?
The most important diagnostic criterion during venous duplex imaging is:
vein response to transducer compression on the skin
Signs and symptoms of acute DVT include all except which of the following?
palpable subcutaneous cord
What is another name for an abnormal popliteal structure containing synovial fluid?
To obtain venous doppler signals during venous duplex imaging. It is best to use a/an ____ imagin plane
Continuous, non-phasic venous flow unilaterally in a common femoral vein suggests which of the following conditions.
iliac vein obstruction
The lesser saphenous vein usually drains into which of the following veins?
A potentially lethal complication of acute DVT is:
What paired veins lie closest to the fibula?
The longest vein in the body is the:
Adequate pressure that have been applied to compress a vein when:
the companion artery is deformed
Select the factor least likely to contribute to DVT:
Compression technique is not used for:
The left iliac vein is usually compressed by which of the following anatomic structures?
right iliac artery
In the presence of incompetent valves, sudden release of distal augmentation produces:
retrograde blood flow
A venous doppler exam of the popliteal vein reveals a sustained flow signal upon release of distal compression. This would indicate which of the following:
Which of the following features of normal veins are evident during duplex examination of the deep venous system?
they are compressed with minimal pressure
Which of the following does not contribute to chronic venous insufficiency?
The most common cause of edema involving one leg only is:
chronic venous disease
The supreficial femoral vein is a:
Normal flow direction in perforating veins of the lower extremities is from the deep to superficial veins.
Recently thrombosed veins are generally distended to an abnormally large size. It is normally larger than the:
A pulsatile venous signal is normal in all except which of the following?
What is the name of the superficial vein on the lateral aspect of the arm?
Which of the following vessels joins the brachial veins to form the axillary vein?
Normal upper extremity venous interpretation include all of the following except:
in the proximal veins, absence of spontaneous flow and/or absence of cardiac pulsatility
Which of the following veins is difficule to compress during duplex imaging?
Which vein in the antecubital fossa connects the cephalic and basilic veins?
median cubital vein
All of the following are part of the deep venous system except:
Indications for upper extremity vein evaluation include all of the following except:
palpable subcutaneous "cord" in chest
The etiology of thrombosis uncludes all of the following except:
compression of the venous thoracic inlet
Which of the following arteries do not come from the subclavian?
Which of the following is a deep vein?
True or False: The superficial veins have an accompanying artery and the deep veins do not
The innominate vein is formed by the confluence of the:
subclavian and internal jugular
The brachiocephalic vein is found:
on both the right and left sides of the neck
All of the following are part of the superficial venous system except:
The basilic vein is a:
superficial vein of the upper extremity
Most patients describe claudication as:
cramping of the leg muscles
What happens to pressure when the flow is increased and resistance is decreased?
stays the same
With claudication patients complain of:
pain in the calf with exercise
Complete the following statement. As viscosity increases ____ increases.
All of the following are risk factors for PVD except:
The most important diagnostic criterion during arterial color doppler imaging is:
the spectral doppler waveform
With extreme cases of severe disease patients will have all of the following except:
night pain relieved with elevation
The minimal pressure in the arterial system during a cardiac cycle is termed:
To obtain arterial doppler signals, during arterial color doppler imaging, it is best to use a ____ imaging plane.
The profunda femoris artery lies ____ and ____ to the superficial femoral artery (SFA).
When imaging the proximal femoral artery, where does the artery lie in relationship to the proximal femoral vein?
artery is anterior to vein
Blue toe syndrome occurs as a result of:
Which of the following is the correct Poiseulle's Law equation?
Which two types of energy combine to determine fluid energy?
kinetic and potential energy
The major branches off the popliteal artery are the ____ and ____ arteries.
anterior tibial; tibial peroneal trunk
Which of the following has the highest viscosity?
Vasa Vosorum is referred as "vessels of vessels" in what layer of the arteries and veins?
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