5 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Jerk - C7, C8 • Biceps ... spared in this injury ... Dislocation - May ... #Myotomes #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... The evaluation should ... #Loss #Differential ... #Diagnosis #otology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
with a capsule tear ... dislocation WITHOUT ... Differential diagnosis ... capsuloligamentous injury ... #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... rarely follow dermatomal ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... NMO-IgG (anti-AQP4) should ... negative, MOG-IgG test ... should be ordered ... management #neurology #differential