10 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... purpura (TTP), ... lymphoproliferative disorders ... #Causes #differential ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... : ITPSecondary ... /HUS - Hemolytic ... Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... Immune - ITP ... #Bruising #Causes ... #peds #pediatrics ... #diagnosis #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... changes), high MCV anemia ... Diagnosis #Causes ... #Workup #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Schistocytes, thrombocytopenia ... - DIC, TTP, HELLP ... #Anemia #Differential ... #workup #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... for Thrombotic Thrombocytopenic ... Purpura Activity ... WBC count and differential ... #Workup #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
in primary or secondary ... hemostasis: - Thrombocytopenia ... Vasculitis - Collagen disorders ... deficiency Work ... #Causes #dermatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... infection risk secondary ... anemia) • Systemic ... DDX - Other causes ... #hematology #diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
DDX: Rule Out Secondary ... CausesAnemia ... blood count with differential ... Myelodysplastic #Syndromes #diagnosis ... #hematology #oncology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
all phases of maturation ... - infiltrates (anemia ... , thrombocytopenia ... #Leukemia #Hematology ... #Oncology #Diagnosis