36 results
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... - Bacterial: Sepsis ... Microangiopathy: DIC ... antiphospholipid syndrome ... Diagnosis #Framework #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... hemolytic-uremic syndrome ... transplant • DIC ... anemia" • HELLP syndrome ... #diagnosis #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Non-lmmune: • HELLP Syndrome ... • TTP/HUS • DIC ... Thrombocytopenia #Differential ... Algorithm #Causes #Hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... MAHA: TTP, HUS, DIC ... Drug-associated, PCH, Evans Syndrome ... Blood Smear ↑ abnormal ... #Diagnosis #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 ... #nonpalpable #dermatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis - Differential ... Drug-induced AIHA - Abnormal ... • MAHA (TTP, DIC ... Extravascular #Differential ... Algorithm #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Myelodysplastic Syndromes ... Deficiency - Abnormal ... #elevatedMCV #Differential ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... Hemolytic uremic syndrome ... coagulopathy (DIC ... key #diagnosis #differential ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
intravascular coagulation (DIC ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... Extravascular #Causes #differential ... #diagnosis #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
history of trauma, sepsis ... organ damage Clinical ... Thrombocytopenia - Normal ... - APTT < 1.5 x normal ... treatment #management #hematology