10 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
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus Syndromes ... most common forms are ... Multiple system atrophy ... #Parkinsonism #diagnosis ... #neurology
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
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
weakness in his arms ... clonus and muscle fasciculations ... consistent with a diagnosis ... PhysicalExam #Clinical #Video ... #ALS #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Carpal Tunnel Syndrome ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... muscles, muscle atrophy ... Muscle twitching (fasciculations ... BULBAR: Tongue fasciculations ... Lateral #Sclerosis #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
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 ... Syringomyelia • Spinal AVM ... extremity muscle atrophy ... #differential #diagnosis ... #causes #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
the follow up video ... causes of this are ... the hospital, diagnosed ... PhysicalExam #clinical #video ... ophthalmology #neurology
Migraines in Children

Similar to migraine in adults - Main differences:
 • Shorter Duration: 2h*-72h (In adults:
variants and episodic syndromes ... are more common ... adults • Variants are ... Children #peds #pediatrics ... #diagnosis #neurology