150 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... to distal ulna, pain ... ED Management: Pain ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... frequency #radiology #msk
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 of Hypophosphatemia
 • CNS: Seizures, Delirium, Paresthesias, Central & extrapontine myelinolysis, Hallucinations, Fatigue
 • Hematologic:
Heart failure • Bones ... Growth retardation, Bone ... painMSK: Proximal
Talus Fracture on POCUS
Athlete with hard landing on one foot, pain and tenderness over dorsum of
Talus Fracture on POCUS ... hard landing on one ... foot, pain and ... POCUS showed talus ... clinical #ultrasound #MSK
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... -> Pain with loading ... contact between bony ... nociceptors -> Pain ... Osteoarthritis #OA #pathophysiology
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #Age #Carpal #Bones ... mnemonic #diagnosis #msk
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
signs, Fragile bones ... urination, Abdominal pain ... easily/weakness, Bone ... /joint pain Psychiatric ... Secondary #Tertiary #pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... -> Pain #Anterior ... signs #symptoms #msk ... #orthopedics #pathophysiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsal wrist, pain ... trapezium, capitate, triquetrum ... ED Management: Pain ... Orthopedics #Sports #MSK