58 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... Skew Deviation Casey ... #Localization #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 ... clinical #video #neurology ... #ophthalmology
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
findings of various ocular ... palsy R 4th nerve ... palsy R 6th nerve ... palsy #Ocular ... CNIII #CNIV #CNVI #Neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy ( ... #neurology #sparing
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... Palsy. ... the commonest cause ... #Neurology #Signs
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... trauma/orbital tumor ... #PhysicalExam #neurology ... #ophthalmology
Right Oculomotor (CNIII) Palsy caused by Stroke

Dr. Bruno Farnetano @bruno.farnetano

#Oculomotor #CNIII #Palsy #clinical #video #CN3 #clinical
Oculomotor (CNIII) Palsy ... caused by Stroke ... Oculomotor #CNIII #Palsy ... clinical #video #neurology ... #physicalexam #ophthalmology
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
of the Facial nerve ... an identifiable cause ... when the facial nerve ... The cause is unknown ... #neurology #anatomy
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... hemorrhage, SAH, tumor ... no neurological cause ... differential #diagnosis #neurology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary ... Neuropathies • Optic Nerve ... #Isocoria #Pupillary ... Diagnosis #Algorithm #Causes ... #Ophthalmology