52 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
causes of Facial Nerve ... Palsy. ... Hyperacusis - Loss of Corneal ... #Neurology #Signs ... #Symptoms #Diagnosis
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
the BMJ R 3rd nerve ... palsy R 4th nerve ... palsy R 6th nerve ... CNIII #CNIV #CNVI #Neurology ... #Diagnosis #Chart
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... clinical #video #neurology ... #ophthalmology
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
- Cerebral cortex ... - Peripheral nerve ... - Cerebral cortex ... - Peripheral nerve ... #Differential #Neurology
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
to oculomotor nerve ... palsy (levator ... @neudrawlogy #Horners ... #Syndrome #diagnosis ... #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... "claw hand" ± Horner ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... Functional • Corneal ... Algorithm #Causes #Ophthalmology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy ( ... Algorithm #Causes #neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... #Oculomotor #Nerve ... #Cranial #neurology ... #diagnosis