21 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Urobilinogen • + urinary ... #Hemolytic #Anemia ... #Algorithm #Differential ... Causes #Workup #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... usually IgM) (e.g. primary ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... Diagnosis Table ... #Diagnosis #Table ... #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... iron deficiency, hemolysis ... Chronic inflammatory disorders ... Post-splenectomy Primary ... Diagnosis #Causes #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Myelogenous Leukemia • Primary ... • Rheumatic disorders ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
/Quantity: • Primary ... DIC/TTP/HUS - Hemolytic ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... o CML - bcr-able ... o Other bcr-able ... #hematology #Markers ... #Differential #
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathies - Primary ... Diagnosis Table ... Microangiopathies #Primary ... Microangiopathy #TMA #hematology ... #differential #
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Reticulocytosis • Primary ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... Algorithm #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Consider RBC membrane disorder ... #Anemia #Differential ... Algorithm #workup #hematology