27 results
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... cranial nerve) Palsy ... artery aneurysm (Compression ... Fixed #Dilated #Pupil ... differential #diagnosis #neurology
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
findings of various ocular ... R 4th nerve palsy ... #Ocular #CranialNerve ... #Palsies #Palsy ... CNIII #CNIV #CNVI #Neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... oblique • Dilated Pupil ... innervation to pupil ... #CNIII #CN3 #Palsy ... Nerve #Cranial #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... mildly dilated pupil ... Diagnosis: • CN Ill Palsy ... causes of tonic pupil ... #PhysicalExam #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... hand drop due to compression ... this case, due to compression ... Saturday night palsy ... #msk #sports #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
of facial nerve palsy ... Unilateral: Bell's Palsy ... 75%), Infection, Compression ... Algorithm #Causes #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... Trochlear) Nerve palsy ... Abducens) Nerve palsy ... ophthalmology #neurology ... differential #diagnosis #ocular
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
left 6th nerve palsy ... retraction #nystagmus #ocular ... clinical #video #neurology
Afferent Pupillary Defect

An afferent pupillary defect passing through its timeline. The pupil that does not react
The pupil that does ... The impression of ... clinical #video #neurology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Adie’s Tonic Pupil ... Her ocular exam ... Adie’s tonic pupil ... oculomotor nerve palsy ... #physicalexam #neurology