7 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... , Fasciculations ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... #Differential #Diagnosis
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
In this video, you ... see right sided atrophy ... Remember: atrophy ... the hypoglossal canal ... #CNXII #CN12 #Neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... MCTD, Sjogren syndrome ... Loss of muscle (atrophy ... Muscle twitching (fasciculations ... #neurology #differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord ... muscles, muscle atrophy ... Muscle twitching (fasciculations ... BULBAR: Tongue fasciculations ... Lateral #Sclerosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... decompress the spinal cord ... The video highlights ... #clinical #video ... #physicalexam #neurology
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 ... : • Spinal cord ... extremity muscle atrophy ... #differential #diagnosis ... #causes #neurology