27 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... arthritis if missed ... dislocation, distal radius ... #XRay #Diagnosis ... #Orthopedics #Sports
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... Small muscles of hand ... adduction) OK Sign ... UpperExtremities #diagnosis ... #neurology
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
shaft with distal radial-ulnar ... shaft with distal radial-ulnar ... will be obvious; signs ... onto outstretched hand ... #Diagnosis #Management
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... associated injuries: Carpal ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... onto outstretched hand ... injuries: distal radius ... #Radiology #XRay ... #Orthopedics #Sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... Swelling notable on Xray ... boggy" joints, esp carpal ... Boutonniere's ulnar ... #symptoms #diagnosis
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
PIP Involvement, Spares ... DIP, Carpal Tunnel ... #RA #diagnosis ... #rheumatology #signs ... #symptoms
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... : • Attacks: Gradual ... No auditory symptoms ... Long symptom-free ... #differential #diagnosis
Allen’s Test for Collateral Circulation

For the Allen test, you apply pressure to the radial and ulnar
pressure to the radial ... and ulnar arteries ... in your wrist for ... #Ulnar #Perfusion ... #Diagnosis #PhysicalExam