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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pathophysiology diagnosis signs msk complications fractures sle stages staging adhesivecapsulitis avascularnecrosis differential erythematosus femoralhead femur frozenshoulder gait healing manifestations mucocutaneous
Stress Fracture: Pathogenesis and clinical findings Abnormal biomechanics, Repetitive impact activities => Repetitive subthreshold mechanical loading => Bone strain =>
Stress Fracture: ... => Microscopic fractures ... loading Stress Fracture ... StressFractures #msk #orthopedics ... pathophysiology #symptoms
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings • Subtrochanteric region spans 5 cm distally from the
Subtrochanteric Femur Fracture ... low energy fall fractures ... in elderly Causes ... #msk #orthopedics ... #differential #causes
Femoral Head Fracture: Pathogenesis and clinical findings • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... lateral hip Signs/Symptoms ... • Non-union of fracture ... pathophysiology #signs #symptoms ... #orthopedics
Fracture Healing (and disruptors of this process) Inflammatory Stage (0-7d) • Fracture disrupts local blood vessels ->
(and disruptors ... disrupts local ... Fluoroquinolones - Causes ... #Stages #Orthopedics ... pathophysiology #diagnosis #disruptors
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations • Immune Complex Deposition - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... Myopathy (Also caused ... #Systemic #Lupus ... pathophysiology #signs #symptoms
Lupus (SLE): Mucocutaneous Manifestations • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... Subacute cutaneous lupus ... hair follicles -> causes ... Phenomenon #Lupus ... diagnosis #signs #symptoms
Trendelenburg Gait: Pathogenesis and clinical findings Skeletal Pathology of the Hip • Arthritis • Congenital hip dysplasia
Greater Trochanter Fracture ... pathophysiology #causes ... #symptoms #signs
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings • Primary (Idiopathic): Unknown etiology, but associated
, humeral head fracture ... a stroke that caused ... pathophysiology #diagnosis #symptoms
Paget’s Disease: Complications Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation MSK
Abnormal Osteoclasts cause ... -> Pathologic fractures ... Skull expansion causes ... middle ear bones causes ... diagnosis #signs #symptoms
Avascular Necrosis: Pathogenesis and Clinical Findings • Physical Trauma (esp. to the scaphoid bone with damage
) • Multiple causes ... therapy - Lupus ... diagnosis #signs #symptoms
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