The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Account created for The Calgary Guide to Understanding Disease - Linking pathophysiology to clinical presentation - http://calgaryguide.ucalgary.ca/
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Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
StressDisorder #PTSD #BehavioralDisorder ... Pathophysiology #diagnosis
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
palpation - Vasculitic ... Pathophysiology #Diagnosis ... Signs #Symptoms #Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... Leukocytoclastic vasculitis ... Cutaneous small vessel vasculitis ... #HSP #IgA #Vasculitis ... Pathophysiology #Diagnosis
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
the pancreas, Vasculitis ... signs #symptoms #diagnosis
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
findings - For diagnosis ... to 25 for new diagnosis ... AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder ... Pathophysiology #diagnosis
Giant Cell (Temporal) Arteritis: Clinical findings and Complications
Signs/Symptoms: 
 - Headache (usually constant, superimposed by waves
Signs #Symptoms #diagnosis ... #Vasculitis
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Pathophysiology #Diagnosis ... Signs #Symptoms #Vasculitis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis #OA #Xray #radiology ... #diagnosis #findings
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
blood vessels (vasculitis ... signs #symptoms #diagnosis
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Polymyositis #PM #Diagnosis ... Signs #Symptoms #Vasculitis