8 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... microangiopathy: Thrombotic thrombocytopenic ... Extravascular #Causes ... #differential # ... diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... drug induced • Infections ... • Transfusion reactions ... classification #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... : - Thrombocytopenia ... DIC/TTP/HUS - Hemolytic ... SLE) - Viral infections ... fever • Drug reactions
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Causes purpura & ... severe thrombocytopenia ... TRALI): Leading cause ... Infection - Infection ... infections with
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Causes purpura & ... severe thrombocytopenia ... • Infection - ... Infection occurs ... infections with
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... specifically immune thrombocytopenia ... and autoimmune hemolytic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
aches, leukopenia, thrombocytopenia ... bilirubin levels, thrombocytopenia ... No hemolytic anemia ... polymerase-chain-reaction ... Fever #Travel #Differential
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
platelet count (thrombocytopenia ... petechiae) • Frequent infections ... Macrocytic anemia DDX ... • Parvovirus infection ... blood count with differential