115 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... clinically characterized ... very different clinical ... spasticity, and a positive ... Babinski reflex
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Disproportionate motor (UMN ... sensory ataxia with positive ... Ipsilateral weakness (UMN ... paraparesis (mixed UMN ... and LMN types)
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
Bilateral LMN palsy ... differentiates this from an UMN ... fasciculations #LMN ... #CNXII #CN12 #clinical
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Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
combination of the clinical ... cellular function Clinical ... involving both UMN ... combination of UMN ... Exam: clinical evidence
Abnormal (Positive, Upgoing) Babinski Sign on Physical Exam

#Abnormal #Positive #Babinski #Sign #PhysicalExam #clinical #video #reflex #pyramidal
Abnormal (Positive ... , Upgoing) Babinski ... Physical Exam #Abnormal ... #Positive #Babinski ... #PhysicalExam #clinical
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Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Rhabdomyolysis, Critical ... Infection • Neuro: UMN ... stroke, tumor), LMN
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Deviation caused by UMN ... The UMN innervation ... CT brain ⬇️ Dx- UMN ... Tongue #Deviation #UMN ... #CNXII #palsy #clinical
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Abnormal (Positive) Babinski Sign on Physical Exam

Dorsiflexion of the great toe with or without fanning of
Abnormal (Positive ... ) Babinski Sign ... #Abnormal #Positive ... #Babinski #Sign ... #PhysicalExam #clinical
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Peritonitis - Spontaneous vs Secondary vs Peritoneal Dialysis Associated Peritonitis
Spontaneous Bacterial Peritonitis
 • Cirrhosis (high SAAG)
) + ascites w/ PMN ... glucose < 50, LDH ULN ... at least 2): 1) Clinical ... , >50% PMNs 3) Positive
Spontaneous Bacterial Peritonitis
DIAGNOSTICS
Paracentesis: 
 • Calculate absolute PMN count (total WBC x PMN %)
 • Correct
Calculate absolute PMN ... %) • Correct PMN ... bacterial "culture-positive ... same as culture-positive ... bacterascites positive