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During valsalva maneuver, what response is expected in the presence of
competent valves?
All venous flow is halted
What best describes the results of an effective calf pump muscle?
Decrease venous pressure and increase venous return
What hemodynamic change is associated with valvular incompetence?
Venous hypertension
Which of the following locations would produce an abnormally high resistance
waveform?
Proximal to an occlusion
What change is normally expected to occur in a vessel that has been stented?
Increased systolic velocity
,What is the most common location for atherosclerosis in the lower extremities?
Distal SFA
What is the significance of caudal flow in the left vertebral artery?
Left subclavian occlusion
What is the indication for performing a carotid duplex on a patient with a
history of a right carotid endarterectomy 6 months prior?
Neointimal hyperplasia
What is the most likely etiology of a pulsatile nexk mass?
Tortuous vessels
What is the most common cause of portal hypertension?
Cirrhosis of the liver
What is the significance of lack of diastolic flow in the renal artery after
transpalnt placement?
Transplant rejection
What is true regarding bruits?
The presence of a bruit indicates turbulent flow patterns
, What is the most likely complications of aneurysms?
Peripheral aneurysms are at greater risk of embolization and aortic to rupture
What is the most likely clinical finding in the presence of chronic mesenteric
ischemia?
Malnourished
Upon performance of a reactive hyperemia exam, what hemodynamic
response occurs in a patient with arterial obstruction?
Hyperemia is prolonged in an obstructed limb compared to normal
Where do thrombi most commonly originate in the venous system?
Valve cusps or sinuses
What is the greatest clinical danger of acute DVT?
Pulmonary embolism
What is the most common arterial pathology?
Atherosclerosis
What is the most frequent etiology of blue toe syndrome?
Embolism