68 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... - Causes paraesthesia ... Dislocation - May cause
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Sub-Cortical (Corona radiata ... Consciousness • Cranial ... Brown-Sequard Syndrome ... Diagnosis #Algorithm #Causes
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology
Multiple Cranial Neuropathies - High Yield Differential Diagnosis
 • Intrinsic brainstem process
 • Compressive brainstem process
Multiple Cranial ... Miller Fisher Syndrome ... important for facial ... rarely botulism) Casey ... Differential #Diagnosis #causes
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... Posner-Schlossman Syndrome ... Behcet's, SLE, TINU syndrome ... HIA B27-related syndrome ... #ophthalmology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... referred in for facial ... diagnosis of Horner's syndrome ... experience, the cause ... clinical #video #ophthalmology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
myringitis • Cranial ... - Ramsay Hunt syndrome ... Temporomandibular joint syndrome ... infections Cranial ... Nerve V: • TMJ syndrome
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
for intracranial masses ... a mass as the cause ... Tumor • Trauma Cranial ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... , Orbital apex syndrome ... Miller-Fisher syndrome ... differential #diagnosis #ophthalmology
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
About Horner's Syndrome ... Horner's syndrome ... have friends, is caused ... and discovered a syndrome ... #Overview #Ophthalmology