The Calgary Guide to Understanding Disease @TheCalgaryGuide
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pathophysiology diagnosis signs complications anaphylaxis extraarticular hypersensitivityreaction lupus otitismedia ra rheumatoidarthritis sle ankylosingspondylitis benign bph centralretinalartery cholesteatoma crao erythematosus gastrointestinal
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 ... cells or CTLs -> Inflammation ... #Immunology #pathophysiology
Type I Hypersensitivity: Pathogenesis and clinical findings Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... Complications: • Acute ... #Immunology #pathophysiology
Anaphylaxis: Signs and Symptoms Anaphylaxis: when any egg of three conditions is met: 1. Acute onset of skin/mucosal
Acute onset of skin ... exposure to a likely allergen ... exposure to known allergen ... in the acute phase ... pathophysiology #immunology
Lupus (SLE): Mucocutaneous Manifestations • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Mucocutaneous Manifestations ... scaling that extend inflammation ... -> Incr local inflammation ... Mucocutaneous #Manifestations ... diagnosis #signs #symptoms
Systemic Lupus Erythematosus: Gastrointestinal Manifestations - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
Gastrointestinal Manifestations ... Vasculitis -> Acute ... pathophysiology #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 ... on CXR • RA inflammation ... pathophysiology #signs #symptoms
Acute Rheumatic Fever: Pathogenesis and Clinical Findings Delayed autoimmune reaction -> Molecular mimicry -> GAS antigen cross-reacts with host ->
Acute Rheumatic ... Tissue injury and inflammation ... , Carditis #Acute ... diagnosis #signs #symptoms
Anaphylaxis: Treatments (Acute) Additional Info: • IV steroids may be considered for prevention of late phase reactions.
Anaphylaxis: Treatments (Acute ... provided, as well as allergy ... pathophysiology #immunology
Mastoiditis: Pathogenesis and clinical findings Acute or Chronic Otitis Media -> Stage 1: Hyperemeia of the mastoid
clinical findings Acute ... mastoid air cells (inflammation ... mucosa leads to inflammation ... mastoid air cells (inflammation ... pathophysiology #signs #symptoms
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features • RA affects 1% of population, women >
Extra-articular manifestations ... • Non-specific Acute-phase ... etc • Systemic inflammation ... pathophysiology #signs #symptoms
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