15 results
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... Lymphoid (ALL) - PAS ... Lymphadenopathy, CNS ... Amy Chung, MD, MSc ... #Disorders #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Diagnosis Algorithm ... : Acute blood loss ... Matthew Ho, MD PhD ... #Diagnosis #Algorithm
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Diagnosis Algorithm ... Signs of anemia ... Hypersplenism, Infection ... Matthew Ho, MD PhD ... #hematology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... brain lesion • CNS ... infection (e.g. ... Matthew Ho, MD PhD ... #neurology #PHANTOMS
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
skin lesions, LAD ... splenomegaly Other infections ... Lesions #Brain #differential ... diagnosis #causes #radiology ... #neurology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... • Peripheral blood ... organ-specific signs ... #Differential # ... diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... : • Complete blood ... • Fecal occult blood ... test • Serology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... Immunoglobulin M (IgM) • Blood ... younger pts) Differential ... sensitize red blood ... hemolytic #anemia #hematology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... Radiology Imaging ... mass and NO prior signs ... Differential diagnosis ... #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
tumor • Non-bloody ... If that patient had ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential