114 results
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... Sensitization" to Allergen ... as potentially ... lgE Abs persist ... #Immunology #pathophysiology
Alpha-gal Syndrome (AGS) - Diagnosis Algorithm
Does patient have recurrent episodes of urticaria, angioedema or isolated GI
) - Diagnosis Algorithm ... early symptom • Ticks ... in areas with ticks ... #Diagnosis #Algorithm ... #allergy
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... Allergic reaction ... Initial exposure to allergen ... allergen's surface as ... #Immunology #pathophysiology
Algorithm for Suspected Penicillin Allergy in Patients Undergoing Surgery 

• Cephalosporins may be prescribed to patients
Suspected Penicillin Allergy ... reported penicillin allergy ... than 10 years ago ... are diagnosed as ... #Penicillin #Allergy
Allergic Rhinitis
Mild to severe persistent nasal mucosal inflammation to specific allergic triggers
WHO? 
 • 1 in
Allergic Rhinitis ... inflammation to specific allergic ... patients • School Age ... Sinusitis • Allergic ... #Rhinitis #diagnosis
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Allergic Rhinitis ... Allergy Sensitization ... Plasma Cells -> lgE Abs ... Tissue edema #Allergic ... Rhinitis #Rhinorrhea #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Classification #Pathophysiology ... #Allergy #Diagnosis
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... lesions may start as ... - Pathophysiology ... Immunocompromised #Diagnosis
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... • Acne • Allergy ... • Young age ... Asymptomatic, Age ... #Differential #Diagnosis
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
exposure to a likely allergen ... exposure to known allergen ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis