Regional Flashcards
Is the brachial plexus hyper or hypo echoic?
Hypoechoic
The stellate ganglion is located where?
C7
Horner’s syndrome symptoms:
Ptosis, miosis, anhidrosis
Injection of large volumes of LA (>30ml) during interscalene block can cause _____ paralysis. This presents as?
RLN; hoarseness
What reflex is implicated in the pt who experiences a hypotensive bradycardic episode under interscalene blockade?
Bezold-Jarisch reflex
What is the most significant complication of a Supraclavicular block?
Pneumothorax
Label the nerves
Which terminal nerve is not targeted by an axillary nerve block?
Axillary nerve
What landmarks are used for an axillary block using a nerve stimulation technique?
Axillary artery
Coracobrachialis
Pec major
Biceps
Triceps
Describe the orientation of the terminal branches relative to the axillary artery
Median= anterior + medial
Ulnar= posterior + medial
Radial= posterior + lateral
Msc= anterior + lateral
What size needle should be used for trans arterial approach for axillary block?
1 1/2 inch 25g
Can you block the median nerve (AC approach) in a pt with carpal tunnel syndrome?
No it should be avoided