9 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... diagnosis scapholunate dissociation ... perilunate or lunate dislocation ... associated fracture or dislocation ... #Scapholunate #Dissociation
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... summary: • Dorsal dislocation ... #Perilunate #Dislocation ... #Wrist #Carpal
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
: Scapholunate dissociation ... , perilunate dislocation ... associated scapholunate dissociation ... #Carpal #Radiology ... #Orthopedics #Sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... ulna, pain with wrist ... injuries: Perilunate dislocation ... #Carpal #Radiology ... #Orthopedics #Sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... Carpal Tunnel Syndrome ... Dislocation - May ... sensory #motor #arm
Shoulder Infraspinatus Hematoma on POCUS

A woman fell down a flight of stairs and can’t move her
move her left arm ... hematoma but no dislocation ... Hematoma #POCUS #clinical ... #ultrasound #msk ... #orthopedics #radiology
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
of hypoechoic spots ... median nerve in the carpal ... interrogation as it should ... MUSCULOSKELETAL #MSK #POCUS #Atlas ... #Clinical #Radiology
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
joint effusions are ... of the humerus should ... a radial head dislocation ... Injuries #Xrays #Radiology ... peds #Pediatrics #clinical
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... extends from the elbow ... tendon, MRI or ultrasound ... relevant body parts ... #subluxation #clinical