15 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Extraocular #Movement ... #differential #diagnosis
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 ... Dermatomes #Myotomes #diagnosis
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... Orbital Apex Syndrome ... coming through the superior ... HZO #clinical #video
Superior Oblique Myokymia 
Eye movement disorder where the superior oblique twitches periodically causing jumping of a
Superior Oblique ... Myokymia Eye movement ... It is probably caused ... the trochlear nerve ... #physicalexam #video
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... abnormal extraocular movements ... dissociation • Other causes ... @neudrawlogy #Adies
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
L4, L5, S1) • Superior ... gluteal nerve damage ... tears of gluteus medius ... pathophysiology #causes ... symptoms #signs #diagnosis
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
arcuate ligament syndrome ... emptying delay • Superior ... Abdominal cutaneous nerve ... radicular pain #Rare #Causes ... #differential #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... threat Cranial Nerves ... Casey Albin MD @
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Optic Nerve/Pathway ... Tumor • Optic nerve ... or without eye movement ... ophthalmology #causes
Superior oblique myokymia 

Superior oblique myokymia causes a repetitive, high frequency intorsion of the eye, leading
Superior oblique ... oblique myokymia causes ... oscillopsia (illusion of movement ... Satisfying to diagnose ... #physicalexam #video