22 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... to complement activation ... Acute transfusion reaction ... allergy #table #classification ... #comparison
Anaphylaxis: Pathogenesis
Anaphylaxis is a Type 1 hypersensitivity reaction
While the primary mechanism of anaphylaxis is mast cell
hypersensitivity reaction ... anaphylaxis is mast cell activation ... Inappropriate mast cell activation ... cells • ANS activation ... #Anaphylaxis #pathophysiology
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... hemolytic transfusion reactions ... #Hemolysis #Classification ... Diagnosis #Causes #Algorithm
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
- Transfusion Reactions ... blood donor • Pathophysiology ... sequestration and activation ... #Transfusion #Reactions ... hematology #diagnosis #comparison
Symptoms Distinguishing Groups of Cutaneous Drug Reactions
IgE-mediated reactions:
 • Onset minutes to hours into treatment course
Cutaneous Drug Reactions ... IgE-mediated reactions ... T-cell-mediated reactions ... dermatology #clinical #comparison ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
to complement activation ... Complement activation ... Hypersensitivity #Types #Classification ... #Pathophysiology ... Allergy #Diagnosis #Reactions
Infographic depicting the main pearls of various types of congenital adrenal hyperplasia for the medical student.
#CAH #algorithm ... CongenitalAdrenalHyperplasia #diagnosis #comparison ... Endocrinology #Adrenal #pathophysiology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Delayed autoimmune reaction ... with host -> Activation ... RheumaticFever #pathophysiology
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... Types - Pathophysiology ... Comparison Obstructive ... #Comparison #criticalcare ... #diagnosis #classification
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Allergic reaction ... because T-Cell activation ... Allergy #Immunology #pathophysiology