44 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
of Chronic Disease ... • Bleeding • Hemolysis ... of Chronic Disease ... , Chronic Infection ... #MCV #Classification
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... differential #diagnosis #hematology ... #anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... Microangiopathic Hemolytic ... Cold autoimmune hemolytic ... myeloma Rouleaux: Chronic ... differential #diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Anemia (AIHA) Treatment ... esp if severe disease ... Polyclonal: - Infection ... #Anemia #AIHA # ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
kidney disease, ... (e.g. cancer, infection ... Microangiopathic hemolytic ... G6PD deficiency), Infections ... Production #Index #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic ... Causes: • Liver disease ... drug induced • Infections ... Diagnosis #causes #classification ... #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
blood loss, Acute hemolysis ... , deficiency anemia ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... : Chronic infections
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell disease ... inclusions - If infection ... #Anemia #Differential ... Algorithm #workup #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
-100): • Non-hemolytic ... , CKD • Hemolytic ... Macroangiopathic, Infections ... Non-megaloblastic: Liver disease ... Differential #Diagnosis #hematology
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... - HIV infection ... hemolytic anemia ... Chronic thromboembolic ... Hypertension #PHTN #Classification