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MJM > Distribution of Blood Supply and Nerves in the Upper Limb > Flashcards

Distribution of Blood Supply and Nerves in the Upper Limb Flashcards

1
Q

What branch of the aortic arch supplies supplies the right upper limb?

A

Brachiocephalic artery

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2
Q

2 divisions of the brachiocephalic artery

A
  • Right subclavian artery
  • Right common carotid artery
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3
Q

At what anatomical level does the brachiocephalic artery divide?

A

Level of sternoclavicular articulation

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4
Q

What branch of the aortic arch supplies the left upper limb?

A

Left subclavian artery

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5
Q

Segments of the arterial tree of the upper limb (proximal to distal)

A
  • Subclavian artery
  • Axillary artery
  • Brachial artery
  • Ulnar + radial arteries
  • Deep + superficial palmer arches
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6
Q

Boundaries the subclavian artery starts and ends at (right and left)

A
  • Right
    > Start = sternoclavicular joint
    > End = lateral border of rib 1
  • Left
    > Start = aortic arch
    > End = lateral border of rib 1
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7
Q

Boundaries the axillary artery starts and ends at

A
  • Start = lateral border of rib 1
  • End = inferior border of teres major
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8
Q

Boundaries the brachial artery starts and ends at

A
  • Start = inferior border of teres major
  • End = radial tuberosity
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9
Q

Boundaries the ulnar + radial arteries start and end at

A
  • Start = radial tuberosity
  • End = deep + superficial palmer arches
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10
Q

From what artery does the circumflex humeral artery branch?

A

Axillary artery

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11
Q

What does the circumflex humeral artery supply?

A
  • Teres major
  • Teres minor
  • Deltoid
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12
Q

From what artery does profunda brachii branch?

A

Brachial artery

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13
Q

What does profunda brachii supply?

A

Muscles of the brachium

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14
Q

Pulse points of the upper limb

A
  • Axillary pulse
  • Brachial pulse (mid-arm + cubital fossa)
  • Radial pulse (distal forearm + anatomical snuffbox)
  • Ulnar pulse
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15
Q

3 systems of venous drainage in the upper limb

A
  • Superficial venous drainage
  • Deep venous drainage
  • Perforating veins
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16
Q

Major superficial veins of the upper limb

A
  • Cephalic vein
  • Basilic vein
17
Q

What connects the cephalic and basilic veins?

A

Median cubital vein

18
Q

What drains the cephalic and basilic veins?

A

Axillary vein

19
Q

Segments of the deep venous tree of the upper limb (distal to proximal)

A
  • Deep + superficial palmer venous arches
  • Ulnar + radial veins
  • Brachial vein
  • Axillary vein
  • Subclavian vein
20
Q

Boundaries the ulnar + radial veins start and end at

A
  • Start = deep + superficial venous palmer arches
  • End = radial tuberosity
21
Q

Boundaries the brachial vein starts and ends at

A
  • Start = radial tuberosity
  • End = inferior border of teres major
22
Q

Boundaries the axillary vein starts and ends at

A
  • Start = inferior border of teres minor
  • End = lateral border of rib 1
23
Q

Boundaries the subclavian vein starts and ends at (right + left)

A
  • Right
    > Start = lateral border of rib 1
    > End = sternoclavicular joint
  • Left
    > Start = lateral border of rib 1
    > End = aortic arch
24
Q

What is an axial line?

A

Boundary between dermatomes from non-adjacent spinal root levels

25
Q

What marks the axial lines in the upper limb?

A
  • Cephalic vein
  • Basilic vein
26
Q

What 2 systems is lymphatic drainage of the upper limb through?

A
  • Superficial lymph channels
  • Deep lymphatic channels
27
Q

Lymph nodes of the upper limb

A
  • Supratrochlear lymph node
  • Axillary lymph node
  • Infraclavicular lymph node
28
Q

Levels of the brachial plexus (proximal to distal)

A
  • Roots
  • Trunks
  • Divisions
  • Cords
  • Branches
29
Q

Roots of the brachial plexus

A
  • C5
  • C6
  • C7
  • C8
  • T1
30
Q

Trunks of the brachial plexus (and which roots supply each)

A
  • Superior (C5-6)
  • Middle (C7)
  • Inferior (C8-T1)
31
Q

Divisions of each trunk of brachial plexus

A
  • Anterior
  • Posterior
32
Q

Cords of the brachial plexus (and which divisions of which trunks supply each)

A
  • Lateral (anterior of superior + middle)
  • Posterior (posterior of superior, middle + inferior)
  • Medial (anterior of inferior)
33
Q

Branches of the brachial plexus (and cord supply each)

A
  • Musculocutaneous nerve (lateral)
  • Axillary nerve (posterior)
  • Median nerve (lateral + medial)
  • Radial nerve (posterior)
  • Ulnar nerve (medial)
34
Q

Additional nerves of the roots of the brachial plexus (and where they originate from)

A
  • Dorsal scapular nerve (C5)
  • Long thoracic nerve (C5-7)
35
Q

Additional nerves of the trunks of the brachial plexus (and where they originate from)

A
  • Nerve to subclavius (superior)
  • Suprascapular nerve (superior)
36
Q

Additional nerves of the cords of the brachial plexus (and where they originate from)

A
  • Lateral pectoral nerve (lateral)
  • Upper subscapular nerve (posterior)
  • Thoracodorsal nerve (posterior)
  • Lower subscapular nerve (posterior)
  • Medial pectoral nerve (medial)
  • Medial brachial cutaneous nerve (medial)
  • Medial antebrachial cutaneous nerve (medial)
37
Q

What are sensory nerve territories?

A

Territorial domains of the skin supplied by each terminal nerve of the brachial plexus (not dermatomes)

MJM (32 decks)

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