23 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Neuropathies • Optic Nerve ... Midbrain (Parinaud's Syndrome ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Differential Diagnosis Algorithm ... Abnormalities of the Optic Nerve ... (fixed dilated pupil ... Demyelination • MS ... #Causes #Ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... infection which causes ... Deepak Gupta #Adies ... ophthalmology #neurology ... #syndrome
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Holmes-Adie Syndrome ... dissociation • Other causes ... @neudrawlogy #Adies ... #neurology #ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... nerve in the radial ... Carpal Tunnel Syndrome ... axillary nerve ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... sleeping as in this case ... #orthopedics #msk ... #sports #neurology
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 ... differential #diagnosis #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... ) Where: Optic nerve ... * (main cause), ... neuritis due to MS ... #Defect #RAPD #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... • Neurologic ... a mass as the cause ... large/unreactive pupil ... Differential #Diagnosis #Algorithm
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... a non-reactive pupil ... other potential causes ... Orbital Apex Syndrome ... #physicalexam #neurology