159 results
Cross-Reactivity of Penicillins and Cephalosporins

Cross reactivity of penicillin-allergic patients to cephalosporins has more to do with
Cross-Reactivity ... of penicillin-allergic ... Carbapenem cross-reactivity ... there is no cross-reactivity ... Cephalosporins #Allergy
Allergic Reaction Classification
Type 1 reaction: Acute anaphylactic reaction
Type 2 reaction: Cytotoxic reaction
Type 3 reaction: Immune complex
Type
Allergic Reaction ... Classification ... delayed reaction #Allergic ... #Reaction #Classification ... #Types #allergy
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... Angioedema: • Acute allergic ... exposure • Non-allergic ... cell-mediated in > 90% of cases ... #Angioedema #Classification
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Hypersensitivity #Allergy ... #Allergic #Reactions ... #Types #Classification
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction ... Initial exposure to allergen
Algorithm for Suspected Penicillin Allergy in Patients Undergoing Surgery 

• Cephalosporins may be prescribed to patients
Suspected Penicillin Allergy ... reported penicillin allergy ... only a 2% cross-reactivity ... true penicillin allergy ... #Penicillin #Allergy
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... inhabitants 3rd leading cause ... retinal ischemia Causes ... Bartonella SUN Classification ... #SUN #Classification
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... infection - Allergic ... disease Rare causes ... + T cells) - Allergic
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
leading to an allergic ... cell surfaces causes ... leading to an allergic ... causes development ... #Types #Classification
Approach to Nausea / Vomiting - Differential Diagnosis Framework
 • Gastrointestinal 
    -
Approach to Nausea ... Disorders • Other Causes ... /AnthonyXuMD #Nausea ... Differential #Diagnosis #Classification