10 results
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Fractures on X-Ray ... Mallet finger - injury ... to ulnar collateral ... Hand #Fractures #XRay ... #Radiology #Wrist
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... • Extension of wrist ... (2%), Radius & Ulna ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis #neurology
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 ... Triquetrum #Fracture #Wrist ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... , median nerve injury ... Carpal #Radiology #XRay ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... box, pain with wrist ... #TerryThomas #Wrist ... Carpal #Radiology #XRay ... #Orthopedics #Sports
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 ... spared in this injury ... Myotomes #diagnosis #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar ... #SpinalCord #Injury ... differential #diagnosis #Neurology
Median Nerve Injury and Anhidrosis
Note dry skin that precisely matches a median nerve distribution (spares ulnar
distribution (spares ... ulnar innervated ... gunshot wound to the wrist ... wounds on volar wrist ... without damage to ulnar
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
), is the must ulnar ... the base of the ulna ... area, being the ulnar ... aspect of the wrist ... relevant body parts
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
This post will focus ... patient with blunt injury ... serious internal injury ... Due to their short ... days following an injury