The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
cytokines -> localized inflammatory ... that extend inflammation ... pathophysiology #diagnosis ... #signs #symptoms ... #complications
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... phase symptoms Signs ... / Symptoms / Complications ... pathophysiology #immunology ... #diagnosis #signs
Acute Otitis Media: Complications
Infection and inflammation of the middle ear
 - Prolonged obstruction of e. tube
Otitis Media: Complications ... Infection and inflammation ... becomes more severe Signs ... pathophysiology #symptoms #signs ... #diagnosis
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... / Symptoms / Complications ... reflex) • Orbital inflammation ... ophthalmology #diagnosis ... #signs #symptoms
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Tissue injury and inflammation ... pathophysiology #diagnosis ... #signs #symptoms ... #complications
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
shoulder joint inflammation ... as post-inflammatory ... pathophysiology #diagnosis ... #symptoms #signs ... #stages #staging
Psoriatic Arthritis: Complications

 • Ocular - Inflammation of middle layer of the eye (the uvea, which
• Ocular - Inflammation ... Valvular disease - Inflammatory ... pathophysiology #diagnosis ... #signs #symptoms ... #Complications
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
lumbar spine Signs ... / Symptoms / Complications ... pain (shooting, stabbing ... pathophysiology #diagnosis ... #symptoms #signs
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 ... pathophysiology #signs ... #symptoms #diagnosis
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
. => Inflammation ... resolve by 72 hours Complications ... pathophysiology #diagnosis ... #symptoms #signs