12 results
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
palsy R 4th nerve ... palsy R 6th nerve ... palsy #Ocular ... CNIII #CNIV #CNVI #Neurology ... #Diagnosis #Chart
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsy • CN VI ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
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 ... retraction #nystagmus #ocular ... #physicalexam # ... clinical #video #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Algorithm Forehead ... (2% of facial nerve ... : Bell's Palsy ( ... #neurology #sparing
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... to the radial nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... junction, cranial nerve ... eyelid: • Third nerve ... palsy • Horner ... Syndrome #Ptosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... females Differential Diagnosis ... : • CN Ill Palsy ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Equina Syndrome - Low ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
Revealing CNVI Palsy ... CN6 #Abducens #Nerve ... clinical #video #neurology ... ophthalmology #ocular ... #physicalexam
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Her ocular exam ... suggest oculomotor nerve ... palsy. ... ophthalmology #physicalexam ... #neurology