13 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Findings: Coombs positive ... Mycoplasma, HIV, EBV ... Findings: Coombs Positive ... Hemolytic #Anemia #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Disease 3 Types ... Agglutinin Disease ... dehydrogenase • Positive ... - Mycoplasma, EBV ... hemolytic #anemia #hematology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
HAV, HCV, HEV, EBV ... Congenital: HELLP • Trauma ... Metabolic: Wilson Disease ... Diagnosis #causes #hepatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... workup, including BM ... • Nonmalignant hematologic ... Vasculitides, IBD, Celiac disease ... infarction, Severe trauma
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
exclude false positives ... below) • Trauma ... disease • ... ) • Anti-GBM ... • Pauci-immune disease
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Infections+++: Virus (EBV ... • Autoimmune diseases ... Adult-onset Still disease ... biologics (CMV +++, EBV ... of emergency, ICU
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
practices that could ... PT, aPTT(liver disease ... bypass), LFT (liver disease ... When do you do a BM ... Causes #Workup #hematology
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) in hematologic ... in HM • False positives ... colonization vs invasive disease ... concurrent admin of mold-active ... - Frozen ice-pops
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Venoocclusive disease ... HBV, HCV, HEV, EBV ... , CMV, VZV • Trauma ... Hereditary: Wilson Disease ... diagnosis #algorithm #hepatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... characteristically CD30 positive ... and usually CD15 positive ... number of sites of disease ... classification #hematology