2286 results
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
, LMN and brainstem ... and LMN signs in ... atrophy, with pure LMN ... and LMN signs to ... conditions listed in differential
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
motor neuron (LMN ... disorders may mimic an LMN ... form part of the differential ... In an LMN lesion ... LMN lesions are
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... Infection • Neuro: UMN ... stroke, tumor), LMN ... Generalized #Weakness #Differential
Floppy Baby Syndrome
 • Infantile Botulism
 • Acute Flaccid Myelitis
 • Guillain Barre
 • Neonatal Myasthenia
is crucial • UMN ... LMN signs - Assess ... Syndrome #pediatrics #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Gravis - Lack of UMN ... /LMN signs - Lack ... #Weakness #Differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... : Areflexia UMN ... plantar response LMN ... diagnosis #neurology #differential
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
lower extremities, LMN ... small band of LMN ... paraparesis (mixed UMN ... and LMN types) ... weakness (purely LMN
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
Bilateral LMN palsy ... differentiates this from an UMN ... fasciculations #LMN
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
Ascites - Differential ... ascites WBC and PMN ... MatthewHoMD #Ascites #Differential
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Clarity, WCC, PMN ... #Diagnosis #Differential