59 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... "pooping duck sign ... fractures • ED Management
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Symptoms: Commonly no signs ... , Fragile bones/ ... easily/weakness, Bone ... Secondary #Tertiary #pathophysiology
Multiple Myeloma Diagnosis and Management Summary
Clinical Signs:
 • hyperCalcemia 28% (bone demineralization)
 • Renal disease 48%
Summary Clinical Signs ... hyperCalcemia 28% (bone ... • Anemia 78% (bone ... macrocytic • Bone ... Diagnosis - Clonal bone
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... #orthopedics #pathophysiology ... #symptoms #signs
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
3: Necrosis of bone ... mass over mastoid bone ... of the temporal bone ... Posteriorly to occipital bone ... inner cortical bone
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... #Osteoporosis #pathophysiology ... #signs #symptoms
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
the underlying bone ... Bones - All the ... bones of the hand ... from lateral to medial ... important to look for signs
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... architecture -> Palpable bony ... contact between bony ... Osteoarthritis #OA #pathophysiology ... #diagnosis #signs
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
cause excessive bone ... turnover -> Incr bone ... Incr (abnormal) bone ... PagetsDisease #pathophysiology ... #diagnosis #signs
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Diagnosis and Management ... cases Clinical Signs ... years - May have signs ... decreased reflexes Pathophysiology ... of bacilli to bone