23 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
microangiopathy: Thrombotic thrombocytopenic ... , lymphoma, idiopathic ... #Hemolytic #Intravascular ... #Causes #differential ... #diagnosis #hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Diagnosis Algorithm ... Hypersplenism, Infection ... #Anemias #Differential ... #Diagnosis #Algorithm ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Hemolysis - Differential ... Diagnosis Algorithm ... anemia • ... Differential #Diagnosis ... #Hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... #Hemolytic #Anemia ... #Algorithm #Differential ... #Causes #Workup ... #Hematology #Diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Diagnosis Algorithm ... → Refer to hematology ... , deficiency anemia ... #Diagnosis #Algorithm ... #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Algorithm Mean ... acute blood loss, hemolysis ... #Algorithm #Diagnosis ... #Workup #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
syndrome, Increased reticulocyte ... , Disseminated intravascular ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
(e.g. cancer, infection ... defects (e.g. sickle cell ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Diagnosis Algorithm ... #Anemia #Differential ... #Diagnosis #Algorithm ... #workup #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Diagnosis Algorithm ... ITP • SLE • CLL ... Vasculitis • Infection ... Diagnosis #Algorithm ... #Causes #Hematology