Positioning/ Nerve injury Flashcards

1
Q

Ulnar nerve senation

A

whole pinky finger, half of ring ringer to bottom of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Radial nerve sensation

A

Starts under deltoid, middle of arm, down to thumb(only digit full finger, others no tip), and first half of 2,3, only half of 4th digit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Musculocutaneous sensation

A

brachialis
Has radial above and below it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Median Antebrachial cutaneous

A

Opposite of musculocutaneous
When arm abducted and palm up, starts just before wrist, and goes up to mid bicep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Axillary sensation

A

Lower deltoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Intercostobrachial sensation

A

armpit area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Brachial plexus branches

A

Axillary
Radial
Medium
Ulnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

RTDCB

A

Randy travis drinks cold beer
Root
Trunks
Division
Cords
Branch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Two most common injuries to brachial plexus

A

Stretch and compression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Testing integrity of brachial plexus

A

Push er-radial- pinch web between 1&2, wrist drop
Pullem- musculocutaneous- pinch lateral forearm
Pinch me-median-pinch tip of index finger
Pinch U-ulnar-pinch pinky finger- claw hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Most frequent reported nerve injury after surgery and anesthesia?

A

Ulnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Increased risk ulnar damage

A

Male
Pre existing damage
Prolonged hospital stay
Extreme habitus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When will ulnar neuropathy present?

A

> 24h after surgery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When is claw hand present?

A

Ulnar injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Is sensory or motor nerve injury more serious? How long for recovery?

A

Motor is more serious and less common
4-6 weeks, may need PT
Consult nuerology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

When to consult nuerology for nerve sensory damage

A

5 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

2 ways to injure median nerve

A

IV in AC
Hyperextension of elbow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Presentation of median injury? what if its high median? what if chronic?

A

Unable to oppose thumb
Reduction in sensation of plamar side of thumb, index, middle, and ring finger
If high- hand of benediction “make a clenched fist”
If chronic- ape hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When will ape hand appear

A

Median injury (chronic)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Presentation of radial injury

A

Wrist drop
inability to extend hand at wrist

21
Q

How to injure radial

A

Compression w iv pole
Excessive NIBP cuff
Tourniquet
Sheets too tight when arms are tucked

22
Q

Long thoracic nerve innervates ___, presentation of injury

A

serratus anterior muscle
Scapular winging
Dorsal protrusion of scapula

23
Q

How to injure long thoracic nerve

A

Lateral position
Trauma

24
Q

Suprascapular nerve innervates ___ and presentation of injury

A

suprascapular and infrascapular muscles, dull shoulder pain

25
Q

How to prevent suprascapular nerve injury

A

Roll distall to axilla

26
Q

Location obturator

A

Medial knee

27
Q

Location femoral nerve

A

anterior and medial thigh

28
Q

Posterior cutaneous nerve location

A

posterior thigh to back of knee

29
Q

Lateral femoral cutaneous location

A

Lateral upper thigh

30
Q

Saphenous location

A

medial calf

31
Q

Peroneal location (3 branches)

A

common- lateral knee
superficial- lateral calf to top of foot- big toe, 2,3, and half of 4th toe
deep- space inbetween 1 and 2 toe

32
Q

Sural location

A

lateral side of foot, 5th toe, half of 4th toe (shared with deep peroneal nerve)

33
Q

Tibial nerve location (3x)

A

medial calcaneal- heel
lateral plantar- bottom of lateral foot
medial plantar- palm of foot to palm of 1,2,3,4 toes

34
Q

Presentation of obturator injury, causes

A

Inability to adduct leg
excessive flexion of thigh toward groin

35
Q

Femoral nerve presentation

A

impaired knee extension and hip flexion

36
Q

Saphenous presentation, prevention

A

Reduced sensation over anteromedial aspect of leg
Padding between leg and stirrup

36
Q

What is the #1 lower extremity injury

A

common peroneal

37
Q

Presentation of common peroneal

A

Foot drop
cant evert foot
Cant extend toes

38
Q

Etiology of sciatic injury, presentation, prevention

A

lithotomy- extreme hip flexion or external rotation of legs
sitting- straight legs
-
foot drop
-
pad under butt

39
Q

Pudendal injury etiology, presentation, prevention

A

Perineal post compression
Loss of perineal sensation
Padd between perineal post and patient

40
Q

If legs crossed-

A

Top- sural injury
bottom- superficial peroneal injury

41
Q

What position is lower extremity compartment syndrome most likely seen in? What will it progress to?

A

lithotomy
ischemia, edema, rhabdo, reperfusion injury

42
Q

LECS risk factors

A

high bmi
surgery time 2-3h
hypotension

43
Q

What position is most likely to cause air embolism?

A

sitting

44
Q

SS air embolism

A

air on TEE***
decreased etco2
increased PAP
hypotension
Dysrhytmias
Hypoxia

45
Q

Air embolism treatment

A

100 fio2
flood field w NS
Stop insufflation
left side durant manuever
aspirate from cvc
hemodynamic support

46
Q

How to prevent backache?

A

small pad under spine- if pad too big will cause paraplegia dt extreme hyperextension
Risk factors: max retroflexion, kidney rest highest position, large rolls under spine

47
Q

What causes midcervical tetraplegia

A

Hyperflexion of neck
sitting- make sure 2 fingers between chin and chest
tracheal resection pts

48
Q

POSTOP vision loss

A