16 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Other: Transfusion reaction ... ) (e.g. lupus, CLL ... Extravascular #Causes ... differential #diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Diagnosis for Hemolytic ... drug induced • Infections ... • Transfusion reactions ... #classification ... #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
the total white blood ... during an allergic reaction ... Or Inflammatory Reactions ... : • helminth infections ... #hematology #basophils
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Causes purpura & ... Infection - Infection ... infections with ... diagnosis #management #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... AIHA, Transfusion reactions ... Internal (RBC) - Infections ... - Peripheral Blood ... Differential #Diagnosis #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
maculopapular rash ... Causes purpura & ... • Infection - ... Infection occurs ... diagnosis #management #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Scoring system: DDX ... Lymphocytosis: Absolute blood ... lymphocyte > 5000/microL ... workup #oncology #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Idiosyncratic drug reactions ... Idiosyncratic drug reactions-most ... including white blood ... cell aplasia DOI ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... disease • Infectious ... and autoimmune hemolytic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... petechiae) • Frequent infections ... Macrocytic anemia DDX ... • Parvovirus infection ... Syndromes #diagnosis #hematology