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

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of Carpal ... ossification of the carpal ... interpreting a Pediatric ... -6-7 years for Triquetral ... Diagnosis #Peds #Pediatrics
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Bones Capitate ... Hamate - 2 Months Triquetral ... bones! ... diagnosis #msk #pediatrics
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... activates lipolysis Signs ... expansion (e.g. carpal ... endocrinology #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
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Classification • Pathophysiology ... Classic “snowman sign ... Outcomes by Cara ... cardiology #peds #pediatrics
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
in subchondral bone ... boggy" joints, esp carpal ... and subcondral bone ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Brudzinski’s Sign ... Brudzinski's sign ... While the pathophysiology ... Clinical #Video #PhysicalExam ... #Pediatrics #Peds
Scarf Sign (Normal) on Physical Exam

The scarf sign is used to assess developmental age and muscle
Scarf Sign (Normal ... Exam The scarf sign ... #Scarf #Sign #PhysicalExam ... hypotonic #peds #pediatrics ... #tone #normal
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
cause excessive bone ... turnover -> Incr bone ... the vertebral canal ... PagetsDisease #pathophysiology ... #diagnosis #signs