USIDMS Lower Extremity Venous Doppler for Insufficiency
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| What is it called when there is the presence of calf pain with dorsiflexion of the foot? | Positive Homan's sign.
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| What imaging technique is considered the "gold standard" for evaluating deep vein thrombosis and venous insufficiency? | Conventional venography.
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| T/F: Perforators should always travel from the deep system to the superficial system. | False- Perforators should take blood from the superficial vessels to the deep vessels.
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| Is it okay to perform an EVLT on a patient with DVT? | No...we shouldn't laser the GSV if it is serving as a collateral for the deep system.
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| When a patient performs a valsalva maneuver, what should happen? | All venous flow should stop.
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| Is an ulceration on the foot most likely an arterial or venous problem? | Arterial.
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| Are venous ulcers typically painful? | Not really, they tend to be mildly painful.
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| Congestive heart failure can cause bilateral swelling...which can cause what type of Doppler signal in a deep LE vein? | Pulsatile.
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| Proximal compression will give the same result as... | A valsalva maneuver.
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| When doing PPG, what time is normal for venous refill time? | > 20 seconds.
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jmframe
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