69 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs ... of anemia and hemolysis ... Reticulocytes • Abnormal ... Hypersplenism, Infection
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Poisoning • Anemia ... Marrow Failure • Anemia ... Inflammation, Chronic Infection ... Myelodysplasia #Anemia
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... • Pernicious Anemia ... • Pernicious Anemia ... #Macrocytic #Anemia
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Aplastic Anemia ... Illness Script Signs ... • Symptomatic anemia ... megaloblastic anemia ... SCVMCMed #Aplastic #Anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach to Anemia ... Sideroblastic anemia ... ACD, Aplastic anemia ... Macroangiopathic, Infections ... MatthewHoMD #Anemia
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
for Anemia (Morphological ... thalassemia • Anemia ... Normocytic" • Anemia ... Acute blood loss, Anemia ... Hospital-acquired anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
particular degree of anemia ... Index < 2: • Anemia ... Chronic kidney disease ... failure: Aplastic anemia ... #diagnosis #calculation
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
nose, ears, or fingers ... • Symptoms of anemia ... anemia • Cold ... #hemolytic #anemia ... #hematology #diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... Deficiency • Aplastic Anemia ... • Anemia of Chronic ... Disease • Marrow ... Non-lmmune #Anemia
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Microangiopathic hemolytic anemia ... spherocytosis) • Infections ... #differential #diagnosis ... #hematology #anemia