38 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
#Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
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
trapezium, capitate, triquetrum ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Hamate - 2 Months Triquetral ... Carpal #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 ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... trauma_modern #Wrist ... #orthopedics #msk ... #sports #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
radial (supinator) reflex ... Supinator #Test #Reflex ... #neurology #clinical ... #orthopedics #msk ... #sports #IRR #Radial
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
Sensory Motor Reflex ... Flexion Biceps Reflex ... C6 Dorsal Thumb Wrist ... #differential #diagnosis ... #Neurology #Spine
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... likelihood of wrist ... radius #fracture #radiology ... #msk #orthopedics ... #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK