Blood Vessels of the UE Flashcards
The roots of the brachial plexus submerge the scalene triangle. All 5 roots submerge with what artery?
Subclavian artery
Right subclavian artery comes off of what?
Brachiocephalic trunk
Left subclavian artery comes off of what?
Directly from the Aortic arch
What three arteries branch off of the Aortic arch?
Brachiocephalic trunk
Left Common Corrotid
Left Subclavian Artery
What two arteries branch off of Right Brachiocephalic trunk?
Right Subclavian artery
Right common carotid
What four arteries branch off of Left subclavian artery?
Left vertebral artery
Left Thyrocervical trunk
Left internal thoracic
Left axillary
What do both right and left Subclavian artery branch into? Hint: Three arteries
Vertebral artery
Internal Thoracic artery
Thyrocervical Trunk
What do both Thyrocervical Trunks branch into?
Suprascapular artery
Transverse Cervical artery
Ascending Cervical artery
Inferior Thyroid artery
Once the subclavian artery hits the level of the clavicle and passes it changes it name to what?
Axillary Artery
What muscle binds anteriorly for the axillary artery?
Pectoralis Major
What muscle binds laterally for the axillary artery
The arm
What muscle binds medially for the axillary artery?
Serratus anterior
What muscles binds posterio-inferiorly for the axillary artery?
Lattisimus dorsi and Teres major
What is the start and end point for Axillary artery?
from the clavicle to the inferior border of the axillary fossa (tendon of Teres Major)
What tendon is at the point of Axillary fossa?
Tendon of Teres Major
How many divisions branch off the axillary artery?
3
What is the most inferior border to the Axillary artery?
tendon of Teres Major
What are the 4 locations/branches of axillary artery and what do they provide profusion for?
Clavicular branch- clavicle
Acromial branch- acromian
Pectoral branch- pectoral muscle
Deltoid branch- deltoid
Posterior circumflex humeral artery travels through where and with what nerve?
Axillary nerve in the Quadrangular space
When the anterior and posterior circumflex humeral artery come together what happens?
they anastomose
Where does the Anterior and posterior circumflex humeral artery anastomose and what does it do?
comes together at the head of the humerus to ensure profuse to the head of the humerus
Fracture of humeral neck results in what?
loss of profusion of the humerus and loss ability to abduct the arm
Right after the Axillary artery leaves the teres major what does it change it’s name to?
Brachial artery
What is the first branch to come off the Brachial artery?
Deep brachial artery
What nerve travels along side the Deep brachial artery?
Radial Nerve
What does both Deep brachial arterty and Radial nerve go through?
Musculospiral groove
What does the Brachial artery travel deep to initially?
Biceps brachii
What travels into Biceps brachii with Brachial artery?
Median and Ulnar nerves
The brachial artery continues down to what area bifrucates into two arteries in the forearm?
The Cubital fossa
What travels through the Cubital tunnel?
Ulnar nerve
What two arteries does the Brachial artery slip into in the cubital fossa?
Radial and Ulnar arteries
Where is the Brachial artery in the level of the elbow and why is it clinically important?
at the level of the elbow Brachial artery is anterior aspect after piercing through the cubital fossa. This location is where to take BP.
Which is lateral and medial after the split of the Brachial artery: Radial/Ulnar artery
Lateral branch Radial artery
Median branch Ulnar artery
For an infant where would take a pulse?
brachial pulse
Is the radial artery traveling deep or superficial at the area of the forearm and wrist anteriorly?
very superficial especially near the wrist
What does the Radial artery travel just lateral to in the wrist?
distal flexor carpi radialis tendon
what is the clinical importance of the distal flexor carpi radialis tendon?
Pulse point
what does the radial artery travel into posteriorly after the distal flexor carpi radialis tendon?
anatomical snuff box
what does the anatomical snuff box sit directly superficial to?
scaphoid bone
The snuff box is found by three tendons what are they?
Lateral aspect: extensor pollicis brevis and abductor pollicis longus
Medial aspect: extensor pollicis longus
Floor aspect: most proximal and lateral carpal bone: scaphoid
does scaphoid bone have good blood supply?
No. The posterior is very avascular.
which carpal bone fractures the most often?
the scaphoid bone
If someone comes and complains about falling and wrist pain, which bone do you palpate?
the scaphoid bone
After the Radial artery traveled through the anatomical snuff box it will dive back anteriorly toward the palm side and do what?
split
what is the distal palmar split of the radial artery?
Splits into superficial palmar arch and deep palmar arch
what does superficial palmar arch and deep palmar arch come together to form?
anastomosis
The Ulnar artery travels deep to what?
Flexor carpi ulnaris
what nerve runs along side of the ulnar artery deep to flexor carpi ulnaris?
Ulnar nerve
What aspect of the forearm is the Ulnar artery and ulnar nerve running?
Medially
As soon as the Ulnar artery branches from the brachial artery what does it give off?
the common interosseous artery
The common interosseous artery branches into what two arteries?
posterior and anterior interosseous arteries
what nerves travel along the posterior and anterior interosseous artery?
posterior and anterior interosseous nerve
What does the Ulnar artery travel into the hand through?
Guyon’s canal
what artery does the Ulnar artery anastomose with in the hand?
radial artery
What test is to test the purfusion of the hand testing the ulnar and radial artery?
Alan’s test
What does the subclavian vein drain directly into what vein?
Brachiocephalic vein
Does the subclavian vein travel through the scalene triangle?
NO.
How is the subclavian vein found in the origin region? HINT: what muscle is it oriented to?
Anterior to the anterior scalene
What bone is the subclavian vein level to?
clavicle
What vein does the subclavian vein become once it passes the level of the clavicle?
Axillary vein
What vein is the most medial in the axillary fossa?
Axillary vein
What would the axillary vein look like?
Purple, red, or blue. and flaccid unless its completely filled with blood.
Is the diameter of the axillary vein large or small
very large
Once the axillary vein passes the level of Teres major what does it become?
Brachial vein
What does the brachial vein branch into in the arm area?
Smaller veins that surround the Ulnar and radial arteries. they are called Cephalic vein and Basilic vein.
Superficial venous Cephalic vein travels how on the arm?
Laterally
Superficial venous Basilic vein travels how on the arm?
Medially
What does the Cephalic vein travel through?
Delto-pectoral groove
Where does the Cephalic and Basilic veins join at ?
Cubital fossa
What other vein is also found in the Cubital fossa?
Median cubital vein
What is the clinical significance of the Cubital fossa, and what is found there?
common site for drawing blood.
Cephalic veins, Basilic veins, and the Median Cubital vein.
How does the cephalic and basilic veins profuse in the hand?
anastomoses into the dorsal venous network in the hand
What is the Anastomes of Cephalic and Basilic vein in hand known as?
Dorsal venous network