24 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Nystagmus with a left ... 6th nerve palsy ... Caused by a ... retraction #nystagmus #ocular ... #neurology #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
Marcus-Gunn Pupil - Pupillary dilation in response to light on the left eye and a preserved
Marcus-Gunn Pupil ... to light on the left ... #Pupillary #reflex ... #clinical #video ... #ocular #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
the rash but his left ... a non-reactive pupil ... acetate to help with ocular ... HZO #clinical #video ... #physicalexam #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... • Neurologic ... a mass as the cause ... large/unreactive pupil ... #Algorithm #Causes
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Her ocular exam ... vision in the left ... suggest oculomotor nerve ... anisocoria #clinical #video ... #physicalexam #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Consciousness • Cranial Nerve ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology ... #Algorithm #Causes
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
Causes of Apparent ... Metabolism • Reye's Syndrome ... Disturbances Neurologic ... Gastroesophageal Reflux ... #Algorithm #Causes