51 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Normal RBCs • Acute ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... Algorithm #Causes #Hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Anemia 1) DIAGNOSE ... ↑ LDH • Anti-RBC ... #Anemia #diagnosis ... #management #treatment ... #rheumatology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... Malignant tumors, Acute ... PD deficiency, Pulmonary ... uremic syndrome ... Morphology #Atlas #key #diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... uremic syndrome ... • Intrinsic RBC ... #hematology #anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... elliptocytosis - RBC ... anemia • ... Acute HTR - Mechanical ... #Differential #Diagnosis
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Index > 3: • Acute ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #diagnosis #calculation
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... hemolysis, deficiency ... anemia, Rebound ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... Legionnaires disease • Pulmonary ... Injury: • Early acute ... hepatitis • Acute ... • Tumor lysis syndrome
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Diagnosis: • Pancytopenia ... cyclosporine A, ATG ... progress to MDS or acute ... #diagnosis #management ... #treatment #hematology