12 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... carpal bone. ... common carpal bone ... fractureComplications ... #Triquetrum #Fracture
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... StressFractures #msk #orthopedics ... #pathophysiology ... #symptoms #signs
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... /Complications: ... msk #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility Fractures ... Differential Diagnosis Algorithm ... Tumours - See Bone ... Marrow Disorder ... #Orthopedics #Causes
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Syndrome Signs/Symptoms ... /Complications: ... Infertility • Decr Bone ... Incr Skeletal fractures ... Syndrome #genetics #pathophysiology
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
Paget’s Disease: Complications ... -> Pathologic fractures ... Nerve Palsies • Disordered ... PagetsDisease #pathophysiology ... diagnosis #signs #symptoms
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... decreased muscle tone ... compression by fractured ... cord #spinalcord #disorders ... differential #algorithm
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
with autoimmune disorders ... , humeral head fracture ... inflamed, usually in one ... FrozenShoulder #pathophysiology ... #diagnosis #symptoms
Fracture Healing (and disruptors of this process)
Inflammatory Stage (0-7d)
 • Fracture disrupts local blood vessels ->
osteoblasts forms bony ... Metabolic / Endocrine disorders ... from GI tract, bone ... #Stages #Orthopedics ... #msk #Staging #pathophysiology
Rickets and Osteomalacia: Pathogenesis and Clinical Findings
 • Calcification inhibitors (excess exposure to A1, Fluoride, etidronate)
: renal tubule disorders ... Deficiency, hereditary disorders ... Bowed legs • Fractures ... #Osteomalacia #pathophysiology ... diagnosis #signs #symptoms