29 results
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... TMA: Unexplained thrombocytopenia ... Direct antiglobulin test ... #Diagnosis #Management ... #Algorithm #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... PT, aPTT(liver disease ... K), H. pylori test ... thyroid function test ... Causes #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #Diagnosis #hematology ... #rheumatology #
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... Hemolytic uremic syndrome ... Thrombotic idiopathic thrombocytopenia ... key #diagnosis #differential ... #hematology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... block • Sjogren syndrome ... polymyositis overlap syndrome ... Summary #diagnosis #rheumatology ... #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... leukopenia, anemia, and thrombocytopenia ... Liver function tests ... #Diagnosis #Management ... #Hematology #Rheumatology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH, Evans Syndrome ... , Drugs, Liver Disease ... Laboratory Tests ... #Diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... microangiopathy: Thrombotic thrombocytopenic ... Hemolytic uremic syndrome ... Extravascular #Causes #differential ... #diagnosis #hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... Diagnosis and Management ... thrombocythemia), Autoimmune disease ... #treatment #hematology ... #differential
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Myelodysplastic Syndromes ... Liver Function Tests ... Liver Function Tests ... Algorithm #Causes #Hematology