12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... , C8 (radial) Finger ... spared in this injury ... Anterior Shoulder
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... : Hyperflexion injury ... that is fixed in flexion ... #Radiology #XRay ... #Diagnosis #Management
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... , bony Bankart lesions ... neurovascular injury ... Dislocation #Anterior #Radiology ... #XRay #Diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... WITHOUT Bankart lesion ... capsuloligamentous injury ... #clinical #mri ... #clinical #Radiology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... tendon) • ED Management ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis ... #Management #Hand
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Xrays Check ... a significant injury ... of the humerus should ... #Injuries #Xrays ... #Radiology #peds
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... dorsally and no longer ... , median nerve injury ... Wrist #Carpal #Radiology ... #XRay #Diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... NMO-IgG (anti-AQP4) should ... , MOG-IgG test should ... • Infectious causes ... Myelitis #diagnosis #management
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
by 24 hours or longer ... count in the CSF should ... the underlying cause ... with AEDs until cause ... Syndrome #diagnosis #management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
proximal muscles of shoulder ... oligoclonal bands • MRI ... nonspecific white and gray ... tract, and often causes ... episcleritis as well as inner