Axilla

Question 1

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

Answer 1

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

Question 2

collateral circulation of scapula

Answer 2

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

Question 3

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

Answer 3

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

Question 4

compression of trunks of brachial plexus—> anesthesia & pain

Answer 4

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

Question 5

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

Answer 5

for subclavian vein puncture

Question 6

enlargement of axillary lymph vessels & nodes

Answer 6

vessels: lymphangitis
nodes: lymphandentitis

Question 7

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

Answer 7

apical nodes