24 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
tendon distal to ... Exam: Swollen and tender ... Discharge with orthpedic ... #Radiology #XRay ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
tendons attaches ... Discharge with orthopedic ... Dislocation #IPJoint #Radiology ... Management #Hand #Orthopedics ... #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... to the lateral extensor ... tendon Volar plate ... Fractures #XRay #Radiology ... #Wrist #differential
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
Radial Nerve Wrist ... Nerve Fingers ... Median Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... Visible deformity, Tender ... Visible deformity, Tender ... radius #fracture #radiology ... #msk #orthopedics
Example of 4th wrist extensor compartment tenosynovitis, note marked synovial hypertrophy and effusion in the tendon
Example of 4th wrist ... extensor compartment ... effusion in the tendon ... Ultrasound Site - MSK ... #pocus
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... extension • ... Disposition: Pending orthopedic ... #Carpal #Radiology ... #Sports #MSK
Flexor Tenosynovitis on POCUS

Index finger including flexor tendon being viewed.  Note small fluid around the
Tenosynovitis on POCUS ... pain on passive extension ... Tenosynovitis #POCUS ... #MSK #clinical ... #radiology #finger
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
makes a fist with fingers ... pollicis longus and extensor ... pollicis brevis tendons ... physicalexam #sports #msk ... #orthopedics #rheumatology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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• Colles (90% "dinner ... variable gross wrist ... reduction using finger ... Colles #Distal #Radiology ... #MSK