9 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... drop - Occurs after ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the back of the arm ... When clinically ... drop: ECRB and ... #Anatomy #diagnosis ... #neurology #orthopedics
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
weakness in his arms ... of amyotrophic ... #PhysicalExam #Clinical ... #Video #ALS #Neurology ... #NEJM
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Clinical Findings ... Femoral Cutaneous Nerve ... dermatomal distributions ... purely sensory nerve ... • Before diagnosis
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Amyotrophic Lateral ... Microglial cells are ... fasciculations Common Symptoms ... activity between nerve ... Lateral #Sclerosis #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... spine L1-L5 Symptoms ... Differential Diagnosis ... region (S2-S4 dermatomes ... #causes #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... should be based on clinical ... Multiple infections are ... focal neurologic ... of the abducens nerve
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
with peripheral nerve ... transplantation CLINICAL ... than one after symptom ... specific therapy, the clinician ... #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... extensors of the arms ... /or symptoms • ... /or optic nerve ... #management #neurology