21 results
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... • Blood smear: Differential ... #Hemolytic #Anemia ... #diagnosis #management ... #treatment #rheumatology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... malignancies • Anemia ... iron deficiency, hemolysis ... disorders (e.g. autoimmune ... Myelodysplastic syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Artifact (redo CBC ... effect following treatment ... Iron deficiency anemia ... #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
spherocytosis, Autoimmune ... hemolytic anemia ... hemolytic anemia ... #Morphology #differential ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
blood loss, Acute hemolysis ... , deficiency anemia ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
: Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... T-cell - CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... (+) ↑ WBC
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... Diagnosis #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... 5) Symptoms of anemia ... Lymphocytic #Leukemia #oncology ... #hematology #hemeonc ... #diagnosis #management