26 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... infection) - Drugs ... (Beta lactam antibiotics ... Extravascular #Causes #differential ... #anemia
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... atypical HUS) - Drug-induced ... anemia" • HELLP ... #schistocytes #differential ... #diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... AIHA: warm, cold, drug ... ABO incompatibility ... #Anemia #Differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Defects: Sickle cell anemia ... Haptoglobin ↓ - Lactate ... #Differential # ... Diagnosis #hematology
Drugs Implicated in Hemolytic Anemia
 • Hapten (Drug binding to RBC membrane): Penicillin, Cephalosporin, Tetracycline, Tolbutamide,
Drugs Implicated ... in Hemolytic Anemia ... • Hapten (Drug ... #medications #Hemolytic ... #Anemia #differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... delayed HTR • Drug-induced ... anemia • ... Extravascular #Differential ... Algorithm #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... -100): • Non-hemolytic ... , CKD • Hemolytic ... Orotic aciduria, Drugs ... #Diagnosis #hematology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Elevated Lactate ... Dehydrogenase (LDH) - Differential ... inherited, acquired, drug ... rheumatic fever) • Drugs ... disease #LDH #Lactate
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperuricemia - Differential ... Leukemia (CML) - Hemolytic ... Anemia - Others ... Hyperparathyroidism • Diabetic ... Hyperuricemia #Differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... disorders, Oxidative drugs ... Cold autoimmune hemolytic ... RBC #Morphology #differential ... #diagnosis #hematology