126 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... bone. ... bone fracture ... #Wrist #Carpal ... Radiology #XRay #Diagnosis
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Bone Fractures ... Scaphoid - 50-80% • Triquetral ... #Bone #Fractures ... #orthopedics #diagnosis
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 ... looking at the carpal ... -6-7 years for Triquetral ... Diagnosis #Peds
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! ... radiology #mnemonic #diagnosis
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
Narrowing • Bony ... the articular bone ... Peri-articular osteopenia (bones ... #RA #HandXray #Diagnosis ... Radiology #Clinical #Pathophysiology
Atrioventricular Septal Defect
aka AV canal defect aka endocardial cushion defect
 • Epidemiology and Associations
 • Embryology
Defect aka AV canal ... Physical Exam • Pathophysiology ... Outcomes by Cara ... endocardial #cushion #diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... bone. ... • Most common carpal ... bone fracture ... Radiology #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... bones should be ... Thomas" sign to diagnosis ... bones should be ... Radiology #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... trapezium, capitate, triquetrum ... Dislocation #Wrist #Carpal ... Radiology #XRay #Diagnosis
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... expansion (e.g. carpal ... endocrinology #pathophysiology