10 results
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
• Blood smear: Differential ... 2) LOOK FOR a cause ... → Systematic screening ... #diagnosis #management ... #treatment #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... intravascular coagulation ... #differential # ... diagnosis #hematology ... #anemia
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... associated with systemic ... #Causes #diagnosis ... #differential # ... hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... associated with systemic ... #Causes #diagnosis ... #differential # ... hematology #coagulation
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Diagnosis Algorithm ... elliptocytosis - RBC ... immune-complex hemolytic anemia ... #Causes #Hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
on the left Myeloblast ... Neutrophil (Normal) Differential ... Corticosteroid use • Autoimmune ... #differential # ... #WBC #CBC #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... hydration • RBC ... #diagnosis #causes ... #treatment #management ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hemolytic anemia ... ) • Systemic granulomatous ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Immunosuppression • Autoimmune ... platelets - WBC ... Immunohistochemical studies (to differentiate ... classification #hematology ... #oncology #management
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Cirrhosis, ETOH, autoimmune ... gastric tumors • Hematology ... Thalassemia, Sickle cell anemia ... Gap #ProteinGap #differential ... #diagnosis #hematology