4625 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... form part of the differential ... However, in UMN ... UMN lesions are ... @DharSaty #UMN
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
involving both UMN ... combination of UMN ... sclerosis with pure UMN ... combination of UMN ... conditions listed in differential
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)
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
Bilateral LMN palsy ... differentiates this from an UMN ... fasciculations #LMN
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
Suspected ACS - OMI vs STEMI - Differential Algorithm

The name STEMI cognitively inspires EPs to fail
OMI vs STEMI - Differential ... of occlusion EMN ... ACS #OMI #STEMI #Differential ... #Algorithm #cardiology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Liver Enzymes - Differential ... Severe ALT > 15x ULN ... Moderate ALT 5-15x ULN ... Mild ALT < 5x ULN ... #LiverEnzymes #Differential
Peritonitis - Spontaneous vs Secondary vs Peritoneal Dialysis Associated Peritonitis
Spontaneous Bacterial Peritonitis
 • Cirrhosis (high SAAG)
) + ascites w/ PMN ... glucose < 50, LDH ULN ... Peritoneal #diagnosis #differential
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Function Tests - Differential ... Severe - ALT >15X ULN ... Moderate - ALT 5-15X ULN ... Mild - ALT < 5x ULN
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
value = (ALT + ULN ... phosphatase + ULN ... Transaminitis #diagnosis #differential