18 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... • Cauda Equina Syndrome ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Carpal Tunnel Syndrome ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis ... inhibitors • Uveitis- Ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Neurogenic Ptosis - Neurologic ... Mitochondrial myopathy • Myotonic ... #Ptosis #neurology ... #ophthalmology
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
OculomotorNerve (CN ... - Homer's Syndrome ... #Diagnosis #Ophthalmology ... GrepMed Recommended Text
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Neutrophilic dermatosis ... et diutinum Neurologic ... Scleromyxedema (CNS ... Subcorneal pustular dermatosis ... #Differential #Diagnosis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
- Myotonic dystrophy ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #management #neurology