53 results
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... likelihood of wrist ... a patient with wrist ... radius #fracture #radiology ... #orthopedics #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
Radial Nerve Wrist ... Gluteal Nerve Knee ... Tibial Nerve Knee ... Orthopedics #Neurology #Diagnosis
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
- Differential Diagnosis ... Usually involves the knee ... involve the b/l wrists ... #Differential #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... #Dislocation #Wrist ... #Carpal #Radiology ... #XRay #Diagnosis
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
C6 Dorsal Thumb Wrist ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... #differential #diagnosis
Severe Tricuspid Regurgitation demonstrated in the Cephalic Vein

Patient with severe pulmonary hypertension and severe tricuspid regurgitation.
Regurgitation #Severe #TR #Wrist ... #PhysicalExam #Cardiology ... #Clinical #Video
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... @docskalski #Knee ... #Bone #Tumors #Diagnosis ... #Differential #Radiology
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone #Fractures #wrist ... #frequency #radiology ... #orthopedics #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... #TerryThomas #Wrist ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis #OA #Xray #radiology ... #diagnosis #findings ... #Clinical #knee