40 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Autoimmune Hemolytic anemia ... Antigen-Ab immune complexes ... #Types #Classification
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Days (Hemolytic Anemia ... Type Ill - Immune Complex-Mediated ... Rash, SJS) - Amelia ... reactions #Types #Classification ... #Allergy #Diagnosis
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... #Classification ... #Causes #Hematology
Pediatric Mouth Disorders - Differential Diagnosis Algorithm
Teeth:
 • Teething
Painful - Gastrointestinal:
 • Crohn's Disease
 • Ulcerative
Pediatric Mouth Disorders ... Differential Diagnosis Algorithm ... Sore • Herpes Simplex ... Inflammation: • Allergic ... #Causes #Peds #
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... causes development ... #Types #Classification
Causes of Secondary / Provoked Seizures - Differential Diagnosis Algorithm
Febrile
Infection
 • Sepsis
 • Encephalitis
 • Meningitis
Metabolic
Causes of Secondary ... Differential Diagnosis Algorithm ... Hyponatremia • Uremia ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... #MCV #Classification ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... • Rheumatic disorders ... Iron deficiency anemia ... #Causes #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Differential Diagnosis Algorithm ... Drug-induced immune-complex ... hemolytic anemia ... #Causes #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... for secondary causes ... eosinophilia (common causes ... are asthma, allergy