38 results
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
↑ LDH • Anti-RBC ... type ± C3d • Blood ... 2) LOOK FOR a cause ... #management #treatment ... #rheumatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... - Differential Diagnosis ... • Early Iron Deficiency ... #Algorithm #Causes ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential Diagnosis ... elliptocytosis - RBC ... #Algorithm #Causes ... #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Algorithm Blood ... • B12/Folate Deficiency ... #Algorithm #Causes ... #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... disease, McLeod blood ... Microangiopathic Hemolytic ... #differential #diagnosis ... #hematology #microscopy
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... • Intrinsic RBC ... G6PD deficiency) ... #hematology #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
- Differential Diagnosis ... • Peripheral blood ... DAT (-) → G6PD Deficiency ... Hypochromic & microcytic RBCs ... #Algorithm #causes
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... -12, or folate deficiency ... turnover • Acute blood ... loss • Hemolytic ... Increase #Decrease #Diagnosis
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... RBC) Morphology ... spherocytosis, Hemolytic ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... deficiencies: Iron deficiency ... Microangiopathic hemolytic ... anemia, Intrinsic RBC ... #differential #diagnosis