430 results
Approach to Antithrombotic Therapy in Peripheral Artery Disease
Increased Ischemic Risk:
 • Prior MI
 • Diabetes
 •
kidney disease • Anemia ... management #therapy #dapt
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... blood smear + DAT ... → Sickle Cell anemia ... Microangiopathic hemolytic anemia ... UnremarkableLab #Hemolytic #Anemia
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic Anemia ... - Antibody/DAT ... - Complement/DAT ... #Hemolytic #Anemia
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... IgG mediated - DAT ... IgM mediated - DAT ... Autoimmune #Hemolytic #Anemia
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... Mixed-type AIHA (7-8%) DAT-negative ... Autoimmune #Hemolytic #Anemia
Differential Diagnosis of Anemias #Diagnosis #IM #Honc #Anemia #Differential #Iron #Algorithm #Microcytic #Macrocytic #Normocytic #Ddxof
Differential Diagnosis of Anemias ... Diagnosis #IM #Honc #Anemia
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Autoimmune Hemolytic Anemias ... Alloimmune Hemolytic Anemias ... #Hemolytic #Anemias
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Expected DAT Results ... Autoimmune Hemolysis DAT ... Hemolysis • DAT ... - ) WAIHA • DAT ... hemoglobinuria • DAT
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Microangiopathic Hemolytic Anemia ... iron deficiency anemia ... Autoimmune hemolytic anemia ... autoimmune hemolytic anemia
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
breakdown • Anaemia ... Hemolysis #Hemolytic #Anemia