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20 Cards in this Set
- Front
- Back
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What is the volume of a cervical plexus block
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4 mL per level you wish to block
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Which nerve is most likely to be missed in an interscalene block
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ulnar
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What is the volume of an interscalene block
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40 mL
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What are the characteristic movements of the radial nerve? (3)
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supination of the hand
extension of hand extension of wrist and fingers |
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What are the characteristic movements of the median nerve? (3)
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Pronation of the hand
flexion of the wrist opposition of the middle, forefinger and thumb |
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What are the characteristic movements of the ulnar nerve? (3)
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Flexion of the wrist
adduction of the fingers flexion and opposition of the medial two fingers toward thumb |
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What are the characteristic movements of the musculocutaneous?
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flexion at elbow
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Amount of injection for digit block
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2 mL each side
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Which two nerves are blocked for inguinal hernias?
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illioinguinal
iliohypogastic |
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What is the most common complication of retrobulbar injection?
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intraarterial injection
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What is the most serious complication of retrobulbar injection
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hemorrhage
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Most common post op peripheral neuropathy
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ulnar nerve
stretched when pronating "claw hand" |
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Second most common peripheral neuropathy? What causes it?
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brachial plexus
compression between clavicle and first rib should greater than 90 degrees |
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Damage to this nerve leads to "ape hand" deformity and is more likely from IV injection than positioning
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median- can't adduct thumb
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How is the sciatic nerve most often damaged and what results?
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lithotomy- too much external rotation
weak skeletal muscles below the knee |
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Most frequently damaged nerve of lower extremities? How does it happen? What's the damage
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Common peroneal
pressed into the head of the fibula foot drop |
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Mask ventilation can cause damage to this nerve?
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Buccal branch of the facial nerve
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What causes anterior tibial nerve damage? What's the damage
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prolonged plantar flexion
foot drop |
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Postoperative numbness over the superior, medial, and anteromedial aspect of the leg suggests what?
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femoral nerve damage
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Results in the inability to flex the forearm?
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musculocutaneous damage
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