110 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... palsy • Medial ... One-and-a-half Syndrome ... Skew Deviation Casey
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... of Facial Nerve ... Palsy. ... the commonest cause
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... hand" ± Horner Syndrome ... to the radial nerve ... Carpal Tunnel Syndrome ... axillary nerve
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy (
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... Palsy on Physical ... of the radial nerve ... sleeping as in this case ... #orthopedics #msk
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... of the Facial nerve ... an identifiable cause ... when the facial nerve ... The cause is unknown
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... Palsy This tests ... grip weakness caused ... by ulnar nerve ... #physicalexam #msk
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... comparison to Horner's syndrome ... #CNIII #CN3 #Palsy ... #Oculomotor #Nerve
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Tumor • Motor Nerves ... Guillain-Barre syndrome ... multiplex, Phrenic nerve
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus Syndromes ... Parkinson's plus syndrome ... system atrophy (MSA ... Progressive supranuclear palsy ... • Corticobasal syndrome