21 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular ... (Trochlear) Nerve ... @caseyalbin #Extraocular ... ophthalmology #neurology ... differential #diagnosis #ocular
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... Nerve • Ptosis ... Horner's syndrome • Extraocular ... Palsy #Oculomotor #Nerve ... #Cranial #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Syndrome Wrist drop ... to the radial nerve ... in the median nerve ... cause axillary nerve ... Myotomes #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Biceps - C5, C6 ... • Triceps - C6 ... Neuropathy - Foot drop ... damage to peroneal nerve ... Myotomes #diagnosis #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... for ptosis with CN ... • Neurologic ... Myasthenia Gravis Extraocular ... Trauma Cranial Nerve
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... is the nerve of ... arises from C5, C6 ... involve a wrist drop ... Anatomy #diagnosis #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Unilateral Facial Nerve ... ophthalmoplegia), systemic signs ... , Lyme, facial nerve ... presentation • Lyme Serology ... Management #Treatment #Neurology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
eye including intraocular ... - Impinges on ocular ... Impaired extra-ocular ... - Impinges on nerves ... ophthalmology #diagnosis #signs
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Neurogenic Ptosis - Neurologic ... junction, cranial nerve ... eyelid: • Third nerve ... Syndrome #Ptosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... Mononeuropathy: Nerve ... Lack of UMN/LMN signs ... : Nerve conduction ... Differential #Diagnosis #neurology