Axilla Flashcards

1
Q

what part of axillary artery is compressed when profuse bleeding occurs?

A

3rd part —> in between lateral border of pec minor & terest major

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2
Q

collateral circulation of scapula

A

if axillary artery is ligated, blood flow reverses in subscapular artery (from arterial anastomoses of scapula), which enables blood to reach 3rd part of axillary artery

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3
Q

is there enough collateral circulation if axillary artery is ligated between subscapular artery & deep artery of the arm?

A

NO. periarticular anastomoses aren’t enough circulation at this point

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4
Q

compression of trunks of brachial plexus—> anesthesia & pain

A

aneurysm of 1st part of axillary artery (baseball pitchers)

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5
Q

why is important to know that the subclavian vein is anterior & inferior to the axillary artery and brachial plexus?

A

for subclavian vein puncture

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6
Q

enlargement of axillary lymph vessels & nodes

A

vessels: lymphangitis
nodes: lymphandentitis

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7
Q

enlargement of what structure can cause obstruction of the cephalic vein?

A

apical nodes

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