Positioning-S3

Question 1

Legalities of positioning doctrine name?

Answer 1

“Res ispa loquitur”
The thing speaks for itself

Question 2

Biggest physiologic consequence of position changes?

Answer 2

Hypotension

Question 3

The most common perioperative neuropathy?

Answer 3

Ulnar Neuropathy

Question 4

Most common upper extremity neuropathy?

Answer 4

Ulnar Neuropathy

Question 5

This neuropathy is caused by direct extrinsic nerve compression (medial aspect of elbow) and intrinsic nerve compression or prolonged elbow flexion?

Answer 5

Ulnar neuropathy

Question 6

What is the only major peripheral nerve in the body that passes on the extensor side of a joint?

Answer 6

Ulnar nerve

Question 7

Ulnar nerve positioning?

Answer 7

Padding
Supinate arm
Abduct less than 90 Degrees

Question 8

Ulnar nerve injury causes what?

Answer 8

Claw hand
Inability to abduct the 5th finger
Lateral aspect of hand

Question 9

Claw hand
Inability to abduct the 5th finger
Lateral aspect of hand

Answer 9

Ulnar nerve injury

Question 10

Ulnar neuropathy resolved in?

Sensory only?

Sensory and Motor?

Answer 10

S- 80% resolved in 6 months

S/M- 20% resolved in 6 months

Question 11

Most common nerve injury for patients undergoing sternotomy?

Answer 11

Brachial plexus injury

Question 12

Brachial plexus injury most common positions?

Answer 12

Prone and lateral

Question 13

Ape hand deformity, inability to oppose thumb?

Answer 13

Median nerve injury

Question 14

Inability to abduct the arm?

Answer 14

Axillary nerve injury

Question 15

Claw hand deformity?

Answer 15

Ulnar nerve injury

Question 16

Inability to flex forearm?

Answer 16

Musculocutaneous nerve injury

Question 17

Wrist drop deformity?

Answer 17

Radial nerve injury

Question 18

Scapular winging
Serratus anterior muscle
Traumatic but can also be viral/inflammatory is what nerve injury?

Answer 18

Long Thoracic Nerve duysfunction

Question 19

Nerve injury caused by >90 abduction
Head of the humerus into the axillary bundle
compression and stretch injury
Common with mastectomy?

Answer 19

Axillary nerve injury

Question 20

Muscular men susceptible to which nerve injury?

Answer 20

Median nerve injury

Question 21

Median nerve injury causes what?

Answer 21

Inability to complete extension of the elbow. Causes shortening of nerve over time.

Question 22

IVs in the AC can cause which nerve injury?

Answer 22

Median nerve injury

Question 23

Which nerve is most often caused by direct compression with overused BP cuff?

Answer 23

Radial nerve injury

Question 24

This nerve injury is more often by direct compression than stretch. Caused by repeated cycling of BP cuff and unsupported limbs. Symptoms include wrist drop?

Answer 24

Radial nerve injury

Question 25

DR CUMA

Answer 25

Drop Radial Claw Ulnar Ape Median

Question 26

This nerve injury is caused by hip abduction > 30 degrees, excessive flexion, and excessive traction. Motor dysfunction is common. Inability to adduct the leg with decreased medial sensation?

Answer 26

Obturator neuropathy

Question 27

This nerve injury is caused by hip flexion >90 degrees, can. cause ischemia, only affects sensory fibers so no motor disability occurs?

Answer 27

Lateral Femoral Cutaneous nerve

Question 28

This nerve injury is caused by external rotation of the leg, hyperflexion of the hips and extension of the knees

Answer 28

Sciatic neuropathy

Question 29

This nerve injury is associated with direct pressure of the lateral leg. Injured by leg holders(candy canes) and can cause prolonged foot drop and difficulty ambulating? Most common lower neuropathy

Answer 29

Peroneal neuropathy

Question 30

This nerve injury is associated with muscle cramps, tightness and difficulty mobility. It is caused by difficult forceps delivery or excessive flexion of the thigh to the groin?

Answer 30

Saphenous nerve injury

Question 31

What is the most common lower extremity neuropathy?

Answer 31

Peroneal neuropathy

Question 32

>4 hours in lithotomy increase risk of what injury?

Answer 32

Common Peroneal Nerve injury

Question 33

This nerve injury is caused by excessive angulation of the thigh on abdomen and excessive traction? Loss of sensation

Answer 33

Femoral nerve injury

Question 34

> 5 hours in lithotomy increases risk for what injury?

Answer 34

Compartment syndrome

Question 35

Venous air embolism is associated with which position?

Answer 35

Sitting position

Question 36

Late sign of Venous air embolism?

Answer 36

Millwheel murmur

Question 37

What position do you put the patient in with a venous air embolism?

Answer 37

Durants position. Left head down