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Anaphylaxis: Pathogenesis
Anaphylaxis is a Type 1 hypersensitivity reaction
While the primary mechanism of anaphylaxis is mast cell
Anaphylaxis is ... production of inflammatory ... Recruitment of inflammatory ... #pathophysiology ... #immunology
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... and Symptoms Anaphylaxis ... Angioedema #Anaphylaxis ... #pathophysiology ... #immunology #diagnosis
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
Inflammatory Cascade ... destruction), promote inflammation ... #Cascade #Inflammation ... #pathophysiology ... #immunology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Mucocutaneous Manifestations ... cytokines -> localized inflammatory ... Mucocutaneous #Manifestations ... #pathophysiology ... diagnosis #signs #symptoms
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Extra-articular manifestations ... Skin: • Inflammation ... Eyes: • Globe inflammation ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
release the pro-inflammatory ... secretion • Inflammatory ... conjunctivitis • Anaphylaxis ... HypersensitivityReaction #Allergy #Immunology ... #pathophysiology
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
joint disease Inflammatory ... Swollen Joints • Inflammation ... Extra-articular manifestations ... mild synovial inflammation ... JointPain #Diagnosis #pathophysiology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
activating cellular inflammatory ... swelling - GI Manifestations ... PolyarteritisNodosa #Pathophysiology ... Diagnosis #Signs #Symptoms
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid air cells (inflammation ... mucosa leads to inflammation ... : Extension of inflammatory ... #Mastoiditis #pathophysiology ... #signs #symptoms
Ankylosing Spondylitis: Extra-articular Manifestations
 • Ocular - Inflammation of the iris, the anterior part of the
Extra-articular Manifestations ... photophobia • GI - Inflammatory ... endoscopy (Not Inflammatory ... Complications #pathophysiology ... diagnosis #signs #symptoms