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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Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... -> Cotton-wool spots ... retinal ischemia causes ... #Retinopathy #Diabetes ... complications #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive Retinopathy ... -> Cotton-wool Spots ... -> Elschnig's Spots ... #Hypertensive #Retinopathy ... #pathophysiology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... pain (shooting, stabbing ... CaudaEquina #Syndrome #MSK ... #pathophysiology
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
autoimmune disorders (diabetes ... a stroke that caused ... FrozenShoulder #pathophysiology ... signs #stages #staging ... #msk
Dupuytren’s Disease: Pathogenesis and Clinical Findings
 • Aging, smoking and/or diabetes -> Microangiopathy and palmar fascia
Clinical Findings • Aging ... smoking and/or diabetes ... Dupuytrens #Disease #Contractures ... #pathophysiology ... #msk
Diffuse Systemic Sclerosis (Scleroderma)
 - Pulmonary Fibrosis -> Crackles, Abnormal CXR
 - Pulmonary Hypertension, Right Heart
Renal Failure - Mask ... (i.e. a "purse-string ... Finger/hand/elbow contractures ... #Scleroderma #pathophysiology
Bulimia Nervosa: Signs and Symptoms
Associated Psychological / Behavioural Features
 • Feelings of shame, guilt and embarrassment
frequent urination (diabetes ... Russell's Sign • Sores ... , scars, calluses ... BulimiaNervosa #pathophysiology
Fracture Healing (and disruptors of this process)
Inflammatory Stage (0-7d)
 • Fracture disrupts local blood vessels ->
Fluoroquinolones - Causes ... #Orthopedics #msk ... #Staging #pathophysiology