Lecture 13 - Vessels and Nerves of the Forearm and Hand Flashcards

1
Q

Define bifurcation

A

Splitting or dividing

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2
Q

Brachial artery bifurcates into what?

A

Radial artery and ulnar artery

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3
Q

Where does the bifurcation of the brachial artery occur?

A

Just distal to the cubital fossa

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4
Q

The ulnar artery passes deep to _____ and can be relocated alongside the ______ nerve deep to which muscle?

A

FDS: Flexor Digitorum Superficialis
ulnar nerve
FCU: Flexor Carpi Ulnaris

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5
Q

The ulnar artery passes _____ to the flexor retinaculum, between which bone(s)?

A

superficial

between pisiform and hook of hamate

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6
Q

The deep branch of the ulnar artery anastomoses with what?

A

deep palmar arch

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7
Q

Which artery continues as the superficial palmar arch in the hand?

A

Ulnar artery

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8
Q

Where does the radial artery travel?

A

Travels in a groove between anterior forearm muscles and medial border of brachio-radialis

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9
Q

Along which nerve can we find the radial artery?

A

Along the superficial branch of radial nerve

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10
Q

Which muscles does the radial artery pierce to become the deep palmar arch?

A

the first dorsal interosseous muscle and adductor pollicis

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11
Q

With what does the radial artery anastomose?

A

the deep branch of ulnar artery

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12
Q

Which veins follow the arterial patterns?

A

Deep veins

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13
Q

List the deep veins of the forearm and hand

A
  • Deep venous palmar arch
  • Superficial venous palmar arch
  • Radial vein
  • Ulnar vein
  • Brachial vein
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14
Q

List the superficial veins of the forearm and hand

A

Basilic vein

Cephalic vein

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15
Q

The most medial structure in the cubital fossa is:

A

median nerve

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16
Q

This nerve passes deep to the flexor retinaculum, passing through the carpal tunnel

A

Median Nerve

17
Q

The median nerve courses through the forearm between _____ and _____

A

FDS and FDP

18
Q

Which nerve passes posterior to the medial epicondyle?

A

The ulnar nerve

19
Q

The ulnar nerve courses through the forearm deep to what?

A

Flexor carpi ulnaris

20
Q

What muscles does the ulnar nerve supply in the forearm?

A

FCU

Medial half of FDP

21
Q

Prior to bifurcation, the radial nerve supplies which muscle(s)?

A
  • Brachioradialis

- ECRL

22
Q

Which muscle does the deep branch of the radial nerve pierce?

A

Supinator

23
Q

The deep branch of the radial nerve courses through the forearm at the posterior surface of the ____

A

Interosseous membrane

24
Q

The superficial branch of the radial nerve courses through the forearm deep to the ______ and becomes superficial at the _____

A

brachioradialis, anatomical snuff box

25
Q

What does the superficial branch of the radial nerve supply?

A

supplies skin on the posterior surface of the thumb

26
Q

List symptoms of the carpal tunnel syndrome

A
  • inflammation of synovial sheaths surrounding tendons
  • fluid retention
  • infection
27
Q

What is the carpal tunnel syndrome caused by?

A

caused by anything that increases the size of the tendons passing through the carpal tunnel

28
Q

what is the recommended surgical procedure to treat the carpal tunnel syndrome?

A

the flexor retinaculum is partially or completely cut to release pressure

29
Q

the median nerve supplies the skin of the lateral 3.5 digits so the following can occur:

A

(i) paresthesia: tingling
(ii) hypoesthesia: reduced sensation
(iii) anaesthesia: absence of sensation
(iv) reduced strength or function of thenar muscles

30
Q

This nerve gives branches to most muscles in the anterior forearm:

A

median nerve