12 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
(AIHA) - Differential ... Diagnosis Table ... (7-8%) DAT-negative ... #AIHA #Differential ... #hematology
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... (AIHA) Pathophysiology ... C3 positive or negative ... #Pathophysiology ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... anemia • Cold ... for anti-C3d and negative ... younger pts) Differential ... #hematology #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... pylori test (GI symptoms ... changes), high MCV anemia ... #Workup #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
with no early symptoms ... • Neutropenia, anemia ... thrombocytopenia • AIHA ... #workup #oncology ... #hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... likelihood of negative ... #differential # ... #WBC #CBC #hematology ... #pathophysiology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
result in severe anemia ... antiglobulin tests - Negative ... immune hemolytic anemia ... WBC count and differential ... #Workup #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... pANCA anti-MPO - Negative ... druginduced #lupus #sle #comparison ... #table #rheumatology ... #diagnosis #management
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... age 70 years Symptoms ... Workup: • Complete ... blood count with differential ... Myelodysplastic #Syndromes #diagnosis
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
- Pathophysiology ... recognition of bedrest’s negative ... phlebotomy/ blood work ... #differential # ... diagnosis