13 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... Urobilinogen • + urinary ... #Hemolytic #Anemia ... #Causes #Workup ... #Hematology #Diagnosis
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... Reticulocytosis • Primary ... Bleed • Hemolysis ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgM) (e.g. primary ... lymphoproliferative disorders ... Extravascular #Causes ... differential #diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... changes), high MCV anemia ... unclear, or if a primary ... hematologic disorder ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelogenous Leukemia • Primary ... • Rheumatic disorders ... Iron deficiency anemia ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... Diagnosis Algorithm ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... Chronic inflammatory disorders ... Post-splenectomy Primary ... #hematology #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
, or other causes ... /Quantity: • Primary ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... Differential #Diagnosis #hematology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
of nucleotides Primary ... Lymphoproliferative Disorders ... Leukemia (CML) - Hemolytic ... Anemia - Others ... endocrinology #causes
Hematology Algorithms 

Anemia is described as a reduction in the proportion of the red blood cells.
Hematology Algorithms ... Pancytopenia is a hematologic ... Leukopenia is primarily ... that involves disorders ... These causes could