16 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
), ligamentous injury ... brachial artery injury ... dislocation + radial ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... onto outstretched hand ... , median nerve injury ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... aracteristic "claw hand ... spared in this injury ... Myotomes #diagnosis #neurology
Radial Head Elbow Fracture with displaced Fat Pads
Intra-Articular Fracture of the Elbow with displaced fat pads
Radial Head Elbow ... intra-articular injury ... raised fat pads should ... more specific and ... clinical #radiology #msk
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... dislocations (posterior shoulder ... compartment syndrome ... may be severe and ... Management #Emergency #Algorithm
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... onto outstretched hand ... brachial artery injury ... ), compartment syndrome ... #Orthopedics #MSK
Hornblower Test for Teres Minor Injury

With the elbow and shoulder flexed to 90 degrees within the
for Teres Minor Injury ... With the elbow ... and shoulder flexed ... #physicalexam #msk ... #orthopedics #sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... injuries: distal radius ... #Orthopedics #Sports ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... Exam: swollen elbow ... ), compartment syndrome ... , ligamentous injury ... Orthopedics #Proximal #MSK
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... of hypokalemia starts ... Clinicians should ... • Skin and/or ... #causes #nephrology