25 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Erb's Palsy is caused ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... sensory #motor #arm #physicalexam
Lumbar Spine X-Ray Anatomy and Interpretation Checklist
 - Pedicles
 - Vertebral heights and end plates
 -
Anatomy and Interpretation ... - Ribs - Lung bases ... Spine #LSpine #XRay ... diagnosis #labeled #anatomy ... #msk #checklist
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
tenderness to the anatomic ... not seen on x-ray ... Tenderness to anatomic ... #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 ... styloid fracture, median ... Dislocation #Wrist #Carpal ... #Radiology #XRay ... Orthopedics #Sports #MSK
Anatomy of the Knee X-ray - AP projection. ⁣⁣
It’s important to be able to identify the
Anatomy of the Knee ... asymmetry between medial ... To asses the patella ... drdevrad #knee #xray ... ap #radiology #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Medical Emergency ... Commonly caused ... Narrowing of spinal canal ... sensory #motor #leg #physicalexam
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... spacing between all carpal ... Tenderness to anatomic ... #Radiology #XRay ... Orthopedics #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
• Chauffer = radial ... styloid fracture, median ... injury, acute carpal ... Distal #Radiology #XRay ... #Orthopedics #MSK
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral Causes ... Diagnosis Central Causes ... • Semicircular canal ... toxicity • Otitis media ... Amy Chung, MD, MSc
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... • Sciatica • Tarsal ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam