Brachial plexus injuries

Question 1

Erbs-Duchenne palsy

Answer 1

Injury to SUPERIOR ROOTS (C5-C6)
Traction injury
Forceful pulling away of head from shoulder
Sensory loss over Lateral Arm

“Waiter’s tip”

- arm adducted
- medial rotation
- elbow extended
- forearm prontaed
- wrist/ fingers flexed

Question 2

Klumpke’s paralysis

Answer 2

-Traction injury lower brachial plexus
 (C8-T1 - inferior portion)
-Poor birth position (breech)
-Fall from height and grab something to break fall
-medial and ulnar lesion
- "Claw hand"
    -thumb in same plane as palm
-sensory loss C8-T1 dermatomes
-can lead to Horner's

Question 3

Horner’s Syndrome

Answer 3

• affected side
• Complication to Klumpke’s
• constriction of pupil (MIOSIS)
• drooping eyelid (PTOSIS)
• sweating of face and neck (ANPHDROSIS)
• recession of eyeball into orbit (ENOPHTHALMOS)