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URR physiologic exams (Questions & Answers) Rated 100%
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When a patient performs exercise on a treadmill, what will be the normal change an arterial flow in the legs? - Increased antegrade flow in diastole A patient presents for an exercise arterial exam after an abnormal resting exam. The report from the resting exam describes elevated velocity is th...

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  • August 25, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • urr physiologic

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  • URR physiologic
  • URR physiologic

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URR physiologic exams
When a patient performs exercise on a treadmill, what will be the normal change an arterial flow in the
legs? - Increased antegrade flow in diastole



A patient presents for an exercise arterial exam after an abnormal resting exam. The report from the
resting exam describes elevated velocity is that indicate a stenosis of greater than 50% in the distal
femoral artery on the left leg, that biphasic waveforms in the PTA and DPA and an ABI of 0.96. There is
no change in the waveforms or decrease in ankle pressures in the left leg with exercise. What could
explain these findings? - Extensive collateral formation (exercise induces peripheral vasodilatation.
If collateral flow is present, it will compensate for the expected drop in flow and pressure from a
diseased vessel)



Most commonly the posterior tibial and dorsalis pedis arteries, are used to obtain the pressure of the
ankle. What is the correct calculation of the ankle brachial index? - Highest ankle pressure on
each leg divided by the highest brachial pressure



Describe an Air Plethysmography exam that is positive for venous insufficiency: - After the legs are
elevated, and then the patient stands, the venous filling index will be increased



A APG exam is performed by placing a large cuff around the calf. The leg is elevated until the
plethysmography tracing plateaus indicating the veins have emptied. The patient will then quickly stand
up to assess the right of venous refill under the cuff. A fast refill time occurs with _______________ . A
VRT greater than _____ seconds is considered normal - Valvular insufficiency; 20



The venous refill index is measured in: - mL/sec



VFI of <2 mL/sec is ________ - Normal



VFI of >7 mL/sec indicates ______________ - Severe insufficiency



A double peaked waveform obtained during PPG evaluation of the digits of the left hand is indicative of -
Raynaud syndrome

,Normal ABI's with abnormal digit tracings indicates obstruction of the digital arteries by ___________ -
Embolisms



What is a major limitation of a lower extremity segmental pressure exam when compared to a Doppler
evaluation? - The segmental pressure technic cannot differentiate external iliac from common
femoral stenosis/occlusion



______________ can demonstrate the level of the problem in the extremity, but cannot determine the
extent stenosis or obstruction that is present - Segmental pressures



Upon cessation of exercise, the ankle pressures in a normal patient will: - decrease to normal
levels in less than 5 minutes



Increased peripheral resistance will lead to _____________ amplitude in PVR tracings - increased



A patient presents with a script for an upper extremity PPG exam to rule out Raynaud syndrome. How
will you perform the exam? - Place PPG sensors on the tips of the fingers before and after cold
sensitivity test



____________ pressures should be obtained with the patient sitting upright, hand placed on a
positioning, wedge or pillow - Finger



A normal lower extremity arterial response to reactive hyperemia is - <35% drop in ankle
pressures that return to normal within 1 minute



This method is preferred to evaluate suspected popliteal entrapment - PPG tracing of the digits at
rest and during dorsiflexion



Lower extremity arterial segmental pressure exam results in a post exercise basal pressure recovery time
of greater than six minutes which suggests - Multilevel stenosis

, Lower extremity arterial, segmental pressure exam resulting in post exercise basal pressure recovery
time of 2 to 6 minutes suggest ___________ - Single level stenosis



when the allen test is performed with significant abnormal findings, what happens to the digit PPG
tracings with radial artery compression? - amplitude significantly decreases



The Adson maneuver is helpful in the diagnosis of what vascular disorder? - Thoracic outlet
syndrome




What setting on the photoplethysmography system should remain constant during an extremity arterial
evaluation, and if it is adjusted, it must be documented on the tracing? - size control



The PPG tracings demonstrate the ___________ of the reflected light, which indicates blood volume
changes in the toe - Amplitude



You are evaluating a patient with suspected Raynaud disease using PPG. After obtaining a baseline
tracing, you placed a hand in Coldwater for two minutes. Once a hand is removed, PPG sensors are
reapplied to the fingertips which of the following correctly describes normal results for this exam? -
Waveforms return to base on within five minutes after removing the hand from Coldwater



A patient complains of left arm numbness and pain that increases in severity when it is cold outside. An
the upper extremity arterial duplex exam demonstrates a greater than 50% stenosis in the distal
subclavian artery. The PPG exam demonstrates additional decrease and digital flow with cold exposure.
What explains these findings? - Secondary Raynaud phenomenon



_____________ Raynaud phenomenon refers to these changes that occur in conjunction with a diseased
arterial system in the upper extremity - Secondary



___________ Raynaud syndrome refers to these changes that occur in conjunction with a non-diseased
arterial system in the upper extremity - Primary

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