17 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... Radial nerve is ... • Thus a PIN palsy ... #Nerve #Anatomy ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... nerve in the radial ... Saturday night palsy ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... fracture, median nerve ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... dorsum of the hand ... dislocation, distal radius ... #Diagnosis #Management ... #Orthopedics #Sports
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
often "radio-dense ... Lung. thvroid. and ... often "radio-lucent ... Malignant #Radiology #Diagnosis ... #XRay #Bony
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... Posterior long arm ... #Diagnosis #Management ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... Tenderness to anatomic ... injuries: distal radius ... Carpal #Radiology #XRay ... #Orthopedics #Sports
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
VII, the facial nerve ... palsy, is compared ... #Paralysis #Bells ... #Palsy #Neurology ... #Diagnosis *
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... Posterior long arm ... Ulnar #Radiology #XRay ... #Diagnosis #Management
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
are connected) ... • Through aditus ... bone): facial nerve ... palsy • Posteriorly ... signs #symptoms #diagnosis