7516 results
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
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 ... Exam: clinical evidence ... of both UMN and
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... However, in UMN ... clinically characterized ... very different clinical ... @DharSaty #UMN
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Disproportionate motor (UMN ... Ipsilateral weakness (UMN ... small band of LMN ... paraparesis (mixed UMN ... and LMN types)
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... specific for the liver ... Value = (ALT / ULN ... ALT) / (ALP / ULN ... SinaiBmoreIMRes #Liver
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... and Cholestatic Liver ... Hepatocellular Liver ... value = (ALT + ULN ... phosphatase + ULN
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Rhabdomyolysis, Critical ... Infection • Neuro: UMN ... stroke, tumor), LMN
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Severe ALT > 15x ULN ... Moderate ALT 5-15x ULN ... Mild ALT < 5x ULN
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver Chemistries ... R-value: Serum (ALT/ULN ... ALT) / (Alk phos/ULN ... Identify Acute Liver ... - Specific to liver
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Severe - ALT >15X ULN ... Moderate - ALT 5-15X ULN ... Mild - ALT < 5x ULN