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

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of Carpal ... interpreting a Pediatric ... -6-7 years for Triquetral ... #Bones #Wrist # ... Diagnosis #Peds #Pediatrics
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Bone Fractures ... Scaphoid - 50-80% • Triquetral ... #Bone #Fractures ... #wrist #frequency
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Bones Capitate ... Hamate - 2 Months Triquetral ... bones! ... #Bones #wrist # ... diagnosis #msk #pediatrics
Wrist / Carpal Bones Mnemonic - Some Lovers Try Positions That They Can’t Handle

Proximal Row (Radial
Wrist / Carpal Bones ... Scaphoid → Lunate → Triquetrum ... Capitate → Hamate #Wrist ... #Carpal #Bones ... #Orthopedics #Wrist
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... "Terry Thomas" sign ... bones should be ... ("Terry Thomas sign ... box, pain with wrist
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... in subchondral bone ... boggy" joints, esp carpal ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
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
Newborn Arm Traction on Physical Exam

Arm traction is done with the baby in the supine position.
Newborn Arm Traction ... Arm traction is done ... The wrist is grasped ... #Newborn #ArmTraction ... #peds #pediatrics
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