84 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
The triquetrum ... fractured carpal bone ... "pooping duck sign ... common carpal bone ... "pooping duck sign
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
they get the job done ... at the carpal bones ... capitate is the first bone ... -6-7 years for Triquetral ... Wrist #Diagnosis #Peds
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
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
Scarf Sign (Normal) on Physical Exam

The scarf sign is used to assess developmental age and muscle
age and muscle tone ... infant with normal tone ... #Scarf #Sign #PhysicalExam ... hypotonia #hypotonic #peds ... #pediatrics #tone
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
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
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome Signs ... Infertility • Decr Bone ... Syndrome #genetics #pathophysiology ... #peds #pediatrics
Tone - Popliteal Angle on Physical Exam
The popliteal angle is an assessment of the tone of
Tone - Popliteal ... assessment of the tone ... It is done one leg ... #Newborn #PhysicalExam ... clinical #video #peds
Chvostek's Sign - Physical Exam - Hypocalcemia

Chvostek's sign is described as the twitching of facial muscles
Chvostek's Sign ... Chvostek's sign ... absent in about one ... #Chvosteks #Signs ... #PhysicalExam #