535 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... antigen, leading to complement ... Complement activation ... #Diagnosis #Reactions
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic ... - Differential Diagnosis ... Antibody/DAT+ - Complement ... #Differential #Diagnosis ... #Causes #hematology
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Classification Diagnosis ... Angioedema: • Acute allergic ... exposure • Non-allergic ... cell-mediated in > 90% of cases ... Classification #Types #Diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Idiopathic • Normal Complement ... #differential #diagnosis ... #algorithm #rheumatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... - Differential Diagnosis ... Algorithm Extravascular ... perfringens - Complement-Mediated ... #Algorithm #Causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... antigens, leading to complement ... they activate complement ... reactions #types #allergy
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... - Differential Algorithm ... #Diagnosis #EM ... #IM #Causes #Nausea ... Differential #NonGI #Algorithm
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... - Differential Diagnosis ... Algorithm Reactive ... • Acne • Allergy ... #Algorithm #Causes
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... infection - Allergic ... + T cells) - Allergic ... #Differential #Diagnosis ... #Causes
Algorithm for Suspected Penicillin Allergy in Patients Undergoing Surgery 

• Cephalosporins may be prescribed to patients
Algorithm for Suspected ... Penicillin Allergy ... decision support algorithm ... are diagnosed as ... #Surgery #Algorithm