24 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Sub-Cortical (Corona radiata ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... injury, acute carpal ... tunnel syndrome ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Compression: • Carpal ... • Peroneal • Radial ... #Neurology #Differential ... #Causes
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... dislocation, distal radius ... Discharge with orthopedic ... #XRay #Diagnosis ... #Management #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... injuries: distal radius ... #TerryThomas #Wrist ... #Management #Orthopedics
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
it is not all carpal ... • Carpal tunnel ... exam to carpal ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Sensory loss below ... Primarily Upper Extremity ... #diagnosis #pathophysiology ... symptoms #msk #orthopedics ... #neurology