30 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Increased red cell ... #Hemolytic #Anemia ... Differential #Causes #Workup ... #Hematology #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... . lupus, CLL, lymphoma ... lymphoproliferative disorders ... #hematology #anemia
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
and Differential Diagnosis ... Pelger-Huet, Macrocytic anemia ... • Lymphoid (CLL ... #hematology #Markers ... #Differential #Diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Microangiopathic Hemolytic ... Unstable hemoglobin disorders ... #differential #diagnosis ... #hematology #microscopy
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Consider sickle cell ... Consider RBC membrane disorder ... #workup #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 ... (e.g. autoimmune ... #Causes #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... (BM) ablative disorders ... of substrate (e.g ... #Workup #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... Diagnosis: • hemolytic ... anemia • Cold ... malignancies -> CLL ... #anemia #hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
anemia. ... and laboratory diagnosis ... non-specific red cell ... count, D-dimer, egg ... #anemia #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... . sickle cell anemia ... Production #Index #hematology ... #diagnosis #calculation