10 results
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 ... #Radiology #XRay ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... injuries: Perilunate dislocation ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Peroneal Tendon Dislocation after Trauma

The retinaculum is torn leading to dislocation of the tendon, leaving the
Peroneal Tendon ... tendon, leaving the canal ... #Trauma #msk #clinical ... orthopedics #sports #ankle ... #physicalexam
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
not seen on x-ray ... Scaphoid #Fracture #Wrist ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... L2, L3, L4 • Ankle ... Narrowing of spinal canal ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... injury, acute carpal ... Colles #Distal #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... tunnel syndrome, peroneal ... #lower #extremity ... #msk #physicalexam
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... in the past - personal ... risk Chest X-ray ... events or death (CARP ... stratification #diagnosis