13 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... Risks factor for HIV ... smear, HIV/HCV ... #Diagnosis #Causes ... #Workup #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
- CMV - HCV ... - HIV • Immune ... immunodeficiency virus (HIV ... #oncology #hematology ... #diagnosis #management
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... • HCV, HBV Not ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hemolytic anemia ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... #immunology #hematology ... #diagnosis #management
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
• Neutropenia, anemia ... , thrombocytopenia ... microglobulin Treatment ... #workup #oncology ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
- infiltrates (anemia ... , thrombocytopenia ... Agranulocytosis • Hypogammaglobulinemia ... #Leukemia #Hematology ... #Oncology #Diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Workup: • Complete ... differential • ... Myelodysplastic #Syndromes #diagnosis ... #hematology #oncology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... result in severe anemia ... of Peripheral blood ... differential - ... #Workup #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
ABO incompatible blood ... Treat primary cause ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
severe thrombocytopenia ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV ... #management #hematology