25 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Ex: Antibiotic allergies ... surfaces • Ex: Autoimmune ... thrombocytopenia, Autoimmune ... Hemolytic anemia ... #Types #Classification
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... would be autoimmune ... already listed) and alloimmune ... #Classification ... Diagnosis #Causes #Algorithm
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Immune mediated hemolysis ... idiopathic, malignancy, autoimmune ... Differential #Diagnosis #Algorithm
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Differential Diagnosis Algorithm ... : • Autoimmune ... (AIHAs) • Alloimmune ... Differential #Diagnosis #Algorithm
Anemia - Hemolysis Diagnostic Algorithm
Autoimmune hemolytic anemia
Microangiopathic hemolytic anemia
Probable thalassemia

Dr. Eric Strong @DrEricStrong - Strong Medicine
Anemia - Hemolysis ... Diagnostic Algorithm ... Autoimmune hemolytic ... Microangiopathic hemolytic ... #Anemia #Algorithm
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Expected DAT Results ... in Autoimmune Hemolysis ... DAT Negative Hemolysis ... • DAT Poly ( ... #Autoimmune #Hemolysis
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... IgG mediated - DAT ... IgM mediated - DAT ... BrighamMedRes #AIHA #Autoimmune ... #Hemolytic #Anemia
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Mixed-type AIHA (7-8%) DAT-negative ... MatthewHoMD #Autoimmune ... #Hemolytic #Anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... Differential Diagnosis Algorithm ... and RES-mediated hemolysis ... Cold AIHA • Alloimmune ... Differential #Diagnosis #Algorithm
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... hay fever, food allergies ... , and drug allergies ... types or during hemolytic ... Hypersensitivity #Types #Classification