71 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the differential diagnosis ... However, in UMN ... UMN lesions are ... This lesion causes ... @DharSaty #UMN
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... Medical time to diagnosis ... Escorial criteria uses ... Other possible diagnosis ... in differential diagnosis
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
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... disease Rare causes ... CD3-CD4+ T cells ... #Differential #Diagnosis ... #Causes
Babesiosis - Babesia Life Cycle
1) Tick takes a blood meal (sporozoites introduced into host)
2) Trophozie ←→
ingests gametes) 5) Fertilization ... Babesia #LifeCycle #diagnosis ... infectiousdiseases #cdc
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
- Differential Diagnosis ... Severe ALT > 15x ULN ... Mild ALT < 5x ULN ... #Differential #Diagnosis ... #Algorithm #Causes
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Enzymes (LFTs) - Causes ... value = (ALT + ULN ... phosphatase + ULN ... Transaminitis #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... - Differential Diagnosis ... decreased PLT count: CBC ... #Differential #Diagnosis ... #Causes #Workup
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... Artifact (redo CBC ... #Differential #Diagnosis ... #Algorithm #Causes
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
/ >1 mg/dL the ULN ... Cr >2 mg/dL or CC ... Causes of false- ... amyloidosis Other causes ... Gammopathies #MGUS #diagnosis