54 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Allergen-specific lgE causes ... Anaphylaxis, Hay fever ... Acute transfusion reaction ... allergy #table #classification
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
peanuts), Hay fever ... Target: Modified cell ... Immunological Mediator: Th Cells ... Dermatitis (ie. reaction ... #Types #Classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... activation and cell ... Hypersensitivity #Types #Classification ... #Pathophysiology ... Allergy #Diagnosis #Reactions
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Acute Rheumatic Fever ... Delayed autoimmune reaction ... B and CD-4+ T cells ... inflammation • Fever ... RheumaticFever #pathophysiology
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... • Transfusion reaction ... stroke • Sickle Cell ... #causes
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... hemolytic transfusion reactions ... #Hemolysis #Classification ... #Algorithm
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
is entirely T-Cell ... exposure to allergen causes ... allergen-specific T-Cell ... Allergic reaction ... Allergy #Immunology #pathophysiology
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Differential Diagnosis Algorithm ... History • Bite cells ... Recent travel/Fevers ... Differential #Diagnosis #Algorithm ... #causes
Hydroxyurea - Pathophysiology and Benefits in Sickle Cell Disease
 • Decreases number of pain crises (
Hydroxyurea - Pathophysiology ... Benefits in Sickle Cell ... number of pain crises ... (2.4 vs. 1) • Fewer ... Benefits #SickleCell #pathophysiology