16 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... #Hemolytic #Intravascular ... #Causes #differential ... #diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Hemolysis - Differential ... circulation - Infections ... anemia • ... Differential #Diagnosis ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... disorders (e.g. autoimmune ... myeloid leukemia ... #hematology #secondary
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Myelogenous Leukemia ... Myelofibrosis Infectious ... effect following treatment ... Iron deficiency anemia ... #Causes #Hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Cancer: • Leukemia ... Inflammatory and Autoimmune ... deficiency Infections ... #Diagnosis #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... : Chronic infections ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
: Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... 5) Symptoms of anemia ... Complications: 1) Infection ... neutropenia) ... #oncology #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... hypertension and/or drug treatment ... - Autoimmune neutropenia ... Megaloblastic anemia-rare ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
, autoimmune disorder ... Diagnosis: • hemolytic ... younger pts) Differential ... the RBCs causing intravascular ... #anemia #hematology