22 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Diagnosis Algorithm Signs ... Hypersplenism, Infection ... Matthew Ho, MD ... PhD @MatthewHoMD ... Diagnosis #Algorithm #hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... : • Recurrent infections ... stem cell transplant ... Can progress to MDS ... #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... cytopenias (usually anemia ... Allogeneic stem cell ... #MDS #Diagnosis ... #hematology #oncology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... . lupus, CLL, lymphoma ... differential #diagnosis #hematology ... #anemia
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... ITP • SLE • CLL ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... Algorithm #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Macroangiopathic, Infections ... aciduria, Drugs (e.g ... Reticulocytosis, MDS ... PhD @MatthewHoMD ... Differential #Diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Physical Exam/Signs ... • Neutropenia, anemia ... microglobulin Treatment ... workup #oncology #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... myeloid leukemia (CML ... Diagnosis #Causes #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... lymphoid malignancy (CLL ... • Symptoms of anemia ... • hemolytic anemia ... #hematology #diagnosis