23 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... Increased red cell ... Increased red cell ... Urobilinogen • + urinary ... #Workup #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelogenous Leukemia • Primary ... • Rheumatic disorders ... effect following treatment ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
/Quantity: • Primary ... marrow disease - DIC ... Coagulation Defects: • DIC ... Purpura Fulminans (DIC ... Differential #Diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... Diagnosis and Workup ... unclear, or if a primary ... hematologic disorder ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... /µL Workup • Screen ... glucocorticoid treatment ... Differential #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... intravascular coagulation (DIC ... usually IgM) (e.g. primary ... lymphoproliferative disorders ... differential #diagnosis #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
lymphoproliferative disorders ... microglobulin Treatment ... lymphoma • Hairy cell ... Leukemia #diagnosis #workup ... #oncology #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Schistocytes, helmet cells ... : • Treat primary ... cause • Correct ... #treatment #management ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... + distinctive primary ... Fibrinolysis & DIC ... #Leukemia #Hematology ... #Oncology #Diagnosis
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
for alternative causes ... biliary obstruction, Primary ... biliary cholangitis, Primary ... Hepatic vascular disorder ... Diagnosis #Algorithm #hepatology