84 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... distal radius or ulna ... Discharge with orthopedic ... #XRay #Diagnosis
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extended, and when ulnar ... ECRB) The distal carpal ... #msk #orthopedics ... #clinical #video
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... • Extension of wrist ... (2%), Radius & Ulna ... UpperExtremities #diagnosis ... #neurology
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... • Claw Hand - Ulnar ... #Differential #Diagnosis ... #MSK #Orthopedics
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Pal @drdevrad #Carpal ... Bone #Fractures #wrist ... radiology #msk #orthopedics ... #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... Disposition: Pending orthopedic ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... follow-up with orthopedics ... #TerryThomas #Wrist ... #Management #Orthopedics
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
aspect of the wrist ... flexion with the wrist ... Fovea #Sign #Test #wrist ... #clinical #video ... #physicalexam #orthopedics
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
- Differential Diagnosis ... Compression: • Carpal ... Tunnel • Ulnar ... Weakness #Sensory #Neurology ... #Differential #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory