47 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Erb's Palsy is caused ... hand" ± Horner Syndrome ... Wrist drop - Occurs ... Carpal Tunnel Syndrome
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... sleeping as in this case ... trauma_modern #Wrist ... #orthopedics #msk
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... Distal radius ... variable gross wrist ... carpal tunnel syndrome ... #Orthopedics #MSK
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Differential Diagnosis Algorithm ... Brown-Sequard Syndrome ... Differential #Diagnosis #Algorithm ... #Causes
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
- Differential Algorithm ... - Non-MSK - Axial ... #Differential #Algorithm ... #Causes
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cushing Syndrome ... Testing Algorithm ... Suspected Cushing syndrome ... Hormone • MRI ... #diagnosis #algorithm
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt syndrome ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... Differential #Diagnosis #algorithm
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Medial Meniscus ... Handle Tear - MSK ... Case description ... BucketHandle #Tear #knee #mri ... Radiology #diagnosis #msk
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... Trigonum #OsTrigonum #Syndrome ... Radiology #diagnosis #msk
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Differential Diagnosis Algorithm ... Restless Legs Syndrome ... Parkinson's, MS) ... #Causes