10 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... thrombocytopenic purpura ... uremic syndrome (HUS ... #Hemolytic #Intravascular ... #Causes #differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Hemolysis - Differential ... MAHA (TTP, DIC, HUS ... #Algorithm #Causes ... #Hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... IVIG infusion Intravascular ... : TTP, HUS, DIC, ... • Transfusion reactions
Purpura - Differential Diagnosis Framework

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

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Post Transfusion Purpura ... Causes purpura & ... TRALI): Leading cause ... Occurs between 0-6 hrs ... Can lead to sepsis
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Jaundice - Differential ... Production • Hemolysis ... Hepatic Uptake • Sepsis ... Diagnosis #Algorithm #Causes ... #Hepatology #bilirubinemia
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Thrombocytopenic Purpura ... decrease in most cases ... reflection of intravascular ... WBC count and differential ... Diagnosis #Workup #Hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Post Transfusion Purpura ... Causes purpura & ... TRALI): Leading cause ... Occurs between 0-6 hrs ... Can lead to sepsis
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
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... Hypovolemic (↓ Intravascular ... findings based on cause ... syndrome, infusion reactions ... #Diagnosis #table