17 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Scaphoid - 50-80% • Triquetral ... Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... trapezium, capitate, triquetrum ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... box, pain with wrist ... #Radiology #XRay
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Hamate - 2 Months Triquetral ... #Bones #wrist # ... radiology #mnemonic ... #diagnosis #msk
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Terry thomas sign ... Triquetral fracture ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Thoracodorsal Nerve Elbow ... Musculocutaneous Nerve Elbow ... Radial Nerve Wrist ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
follow-up with Orthopedics ... Scaphoid #Fracture #Wrist ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Complex, pending orthopedic ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... II-IV, pending orthopedic ... #Humerus #Radiology ... #XRay #Diagnosis