Anatomy
Spindle-shaped reservoirs located within the soleal and gastrocnemius muscles. Activated by calf muscle pump.
What are the solar sinuses.
Exercise causes ______ in the arterial system, resulting in decreased peripheral resistance and a lack of flow reversal in the arterial waveform.
What is peripheral vasodilation.
List two controllable risk factors for peripheral arterial disease.
What is:
Which of the following is not a clinical indication for assessment of the lower extremity venous system?
Pulselessness, swelling, pain, and erythema.
What is pulselessness.
TRUE OR FALSE: During a duplex/color flow exam of the extremity venous system, compression should be performed every 1-2 inches in transverse.
True
Originates at the bifurcation of the common femoral artery and terminates in the lower third of the thigh. Located posterior and lateral to the superficial femoral artery.
What is the profunda (or deep femoral) artery.
The valsalva maneuver increases both the intrathoracic and intrabdominal pressures significantly. This results in a ____ of all venous return to the heart.
What is halt (or stop).
List two uncontrollable risk factors for peripheral arterial disease.
What is:
Which of the following is not a clinical indication for evaluation of the lower extremity arteries?
Claudication, pain, pulselessness, or swelling...
What is swelling.
Normal doppler analysis of the extremity venous system will reveal all of the following flow characteristics except:
Pulsatility, spontaneous flow, phasicity, augmentation.
What is pulsatility.
Courses along the posteriomedial aspect of the calf before passing behind the medial malleolus where is bifurcates into the medial and lateral plantar arteries.
What is the posterior tibial artery.
With inspiration, the intrathoracic pressure ______ while the upper extremity blood flow ______.
What is intrathoracic pressure decreases while the upper extremity blood flow increases.
List two hormonal risk factors for peripheral venous disease.
What is:
List two trophic changes that are indicative of peripheral arterial disease.
What is:
Venous phasicity may be absent when the patient is in this position.
What is supine.
Which vessel does the left subclavian artery originate?
What is the aortic arch.
With exhalation, the intrabdominal pressure ______ while the lower extremity blood flow ______.
What is intrabdominal pressure decreases while the lower extremity blood flow increases.
Name four risk factors for perisperhal venous disease.
Why is a pulmonary embolism an indication for assessment of the peripheral venous system.
What is locate source of embolus and extend of thrombus.
Which of the following is not a limitation of duplex/color flow imaging of the extremity arteries?
Body habits, medial calcinosis, recent surgery, or quick exam time.
What is quick exam time.
Ascends the lateral aspect of the arm to unite with the axillary vein to become the subclavian vein.
What is the cephalic vein.
Which of the following hemodynamic effects decreases venous return to the heart?
Muscle relaxation, calf muscle pump, or exercise.
What is muscle relaxation.
What are the three clinical conditions encompassed in Virchow's triad?
What is trauma or endothelial damage, venous stasis, and hyper coagulability.
What is:
During the first several weeks post op, patients with an arterial graft or stent will demonstrate ______ waveforms.
What is monophasic.