73 results
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... boggy" joints, esp carpal ... Boutonniere's ulnar ... fingers, radial wrist ... RheumatoidArthritis #RA #pathophysiology
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... The proximal carpal ... extended, and when ulnar ... deviation of the wrist ... ECRB) The distal carpal
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... distal to distal ulna ... , pain with wrist ... distal radius or ulna ... Triquetrum #Fracture #Wrist
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... • Extension of wrist ... joint Scissors - Ulnar ... (2%), Radius & Ulna ... (5%), Radius & Ulna
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 ... the bones of the wrist ... looking at the carpal ... #Bones #Wrist #
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Pal @drdevrad #Carpal ... Bone #Fractures #wrist
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... • Claw Hand - Ulnar
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... associated injuries: Carpal ... #Dislocation #Wrist ... #Carpal #Radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... spacing between all carpal ... box, pain with wrist ... #TerryThomas #Wrist ... #Scaphoid #Carpal