12 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
thrombocytopenic purpura ... uremic syndrome (HUS ... #Hemolytic #Intravascular ... #Causes #differential ... #diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
and Intravascular ... Hemolysis - Differential ... MAHA (TTP, DIC, HUS ... Differential #Diagnosis ... Algorithm #Causes #Hematology
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathy (TMA) - Differential ... Diagnosis Table ... Thrombocytopenic Purpura ... Microangiopathy #TMA #hematology ... #differential #
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... thrombocytopenic #purpura ... HemolyticUremicSyndrome #HUS ... Comparison #Diagnosis #Table ... #Hematology
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
TTP/HUS indicates ... thrombocytopenic purpura ... /hemolytic uremic ... thrombocytopenia, Hematology ... #Diagnosis #Differential
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... IVIG infusion Intravascular ... • MAHA: TTP, HUS ... classification #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... disease - DIC/TTP/HUS ... - Hemolytic ... : • DIC, TTP/HUS ... #Differential #
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Jaundice - Differential ... Production • Hemolysis ... Hepatic Uptake • Sepsis ... Post-Hepatic - Usually has ... Algorithm #Causes #Hepatology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Thrombocytopenic Purpura ... reflection of intravascular ... hemolysis Platelet ... WBC count and differential ... Diagnosis #Workup #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... history of trauma, sepsis ... Petechiae • Purpura ... DDX: • TMA’s (HUS ... - MAHA: TTP/HUS