27 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... spherocytosis, Autoimmune ... Agglutinate: Cold autoimmune ... #differential #diagnosis ... #hematology #microscopy
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
, diagnose iron ... inflammation or chronic ... for celiac disease ... change medical management ... Evaluation #workup #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Autoimmune diseases ... , Chronic spontaneous ... urticaria, Chronic ... Cold #Urticaria #diagnosis ... #rheumatology #
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Chronic ... kidney disease, ... • Hemolysis: Autoimmune ... Production #Index #hematology ... #diagnosis #calculation
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Neoplastic / Hematologic ... • Anemia • ... Hepatitis • HIV Autoimmune ... Obstructive Pulmonary Disease
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Membrane): - Autoimmune ... Defects: Sickle cell anemia ... Laboratory Tests ... #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... 5) Symptoms of anemia ... chemotherapy for low-risk disease ... Leukemia #oncology #hematology ... #management
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... CLL (older) • Autoimmune ... Test: Donath-Landsteiner ... test #cold # ... #hematology #diagnosis
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... hemolytic anemia ... Malignancies • Chronic ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's Disease ... likely conditions (autoimmune ... arthritis and chronic ... #AOSD #rheumatology ... #diagnosis #management