24 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... uremic syndrome ... • Intrinsic RBC ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA, Cold ... Drug-associated, PCH, Evans Syndrome ... anemia, Thalassemias ... Diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Target Cell RBC ... : Cold autoimmune ... hemolytic anemia ... #Morphology #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold ... #Anemia #Differential ... #workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome ... Diagnosis: • hemolytic ... anemiaCold ... #hemolytic #anemia ... #hematology #diagnosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... cytopenias (usually anemia ... Myelodysplastic #Syndrome ... #Management #treatment ... #hematology #oncology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , deficiency anemia ... Kawasaki, Nephrotic syndrome ... #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
concentrations in: RBCs ... , sickle cell disease ... in metastatic melanoma ... • Tumor lysis syndrome ... polyangiitis • Behçet's syndrome
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
• Neutropenia, anemia ... • Richter’s Syndrome ... leukemia • Sezary syndrome ... #workup #oncology ... #hematology