73 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the differential diagnosis ... In an LMN lesion ... UMC & LMN lesions ... UMN lesions are ... This lesion causes
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Central - Small Lesion ... Disproportionate motor (UMN ... paraparesis (mixed UMN ... spinalcord #syndromes #diagnosis ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord regions ... - Causes progressive ... Escorial criteria uses ... least two or more regions ... Lateral #Sclerosis #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
- Differential Diagnosis ... Infection • Neuro: UMN ... stroke, tumor), LMN ... #Differential #Diagnosis ... #causes #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Chorioretinitis • Diagnosis ... #differential #diagnosis ... #causes #radiology ... #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... - Differential Diagnosis ... involved = Peripheral lesion ... #Differential #Diagnosis ... #neurology #sparing
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... by UMN XII palsy ... Lesion - infarction ... #hypoglossal #physicalexam ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Differential Diagnosis ... Space-Occupying Lesion ... Dizziness #Vertigo #Neurology ... #Differential #Diagnosis
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Non-compressive Spinal Cord Causes ... : Areflexia UMN ... spinalcord #disorders #diagnosis ... #neurology #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Space occupying lesions ... Gravis - Lack of UMN ... #Differential #Diagnosis ... #neurology