41 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
form part of the differential ... neurotransmitter cause ... cause very different ... This lesion causes ... type of lesion causes
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... combination of UMN ... involvement • UMN ... Escorial criteria uses ... conditions listed in differential
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 ... #Diagnosis #causes
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... disease Rare causes ... CD3-CD4+ T cells ... hypereosinophilia #HE #Differential
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Liver Enzymes - Differential ... Severe ALT > 15x ULN ... Mild ALT < 5x ULN ... #LiverEnzymes #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 #differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Artifact (redo CBC ... Thrombocytosis #Differential ... Diagnosis #Algorithm #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... decreased PLT count: CBC ... patients if the cause ... Platelet #Disorders #Differential ... #Diagnosis #Causes
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Lymphadenopathy - Differential ... Pancytopenia, WBC differential ... Lymphocytic Leukemia (CBC ... Diagnosis #Algorithm #Causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Generalized Differential ... Systemic and Primary Causes ... Hyperthyroidism CBC ... & Differential: ... Diagnosis #Algorithm #causes