21 results
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... Distal radius ... fracture, median nerve ... carpal tunnel syndrome ... Distal #Radiology #XRay
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... nerve in the radial ... Carpal Tunnel Syndrome ... in the median nerve ... axillary nerve
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... - Refeeding Syndrome ... #causes #potassium ... #low #pathophysiology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Neuropathies • Optic Nerve ... Midbrain (Parinaud's Syndrome ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Differential Diagnosis Algorithm ... Consciousness • Cranial Nerve ... Brown-Sequard Syndrome ... #Causes
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... posterior interosseous nerve ... ), compartment syndrome ... Ulnar #Radiology #XRay
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
at an elbow x-ray ... capitellum (age 1), radial ... anterior interosseous nerve ... ), compartment syndrome ... Humerus #Radiology #XRay
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... 30%) • Facial Nerve ... • Pain: Due to nerve ... intrathecal spinal nerve
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... damage to sacral nerves ... #CaudaEquina #Syndrome ... #MSK #pathophysiology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Superior gluteal nerve ... tears of gluteus medius ... Trendelenburg #Gait #pathophysiology ... #causes #symptoms