23 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... , median nerve injury ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... neurovascular injury ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
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
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... ), ligamentous injury ... Posterior #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Anterior Shoulder ... Dislocation - May ... Myotomes #diagnosis #neurology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... ), compartment syndrome ... , ligamentous injury ... Ulnar #Radiology #XRay ... Orthopedics #Proximal #MSK
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... of hypokalemia starts ... Clinicians should ... • Skin and/or ... #nephrology #potassium
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... no light-near dissociation ... • Other causes ... #PhysicalExam #neurology
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
palpating the radial ... examiner pulls the shoulders ... down and back as ... physicalexam #vascular #msk ... #orthopedics #sports
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
palpating the radial ... examiner pulls the shoulders ... down and back as ... physicalexam #vascular #msk ... #orthopedics #sports