27 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... " ± Horner Syndrome ... Wrist drop - Occurs ... nerve in the radial
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... hand and elbow ... elbow flexion test ... CubitalTunnel #Syndrome ... #Diagnosis #pathophysiology
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
, Teres minor, and ... Causes: Calcific ... supraspinatus tendinitis Signs ... arm, empty can test ... #sports #MSK #anatomy
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
nerves - tumors ... nerves V and VII ... masses and lymphadenitis ... cause unknown) ... II ○ Susac’s syndrome
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... Stimulation of nerve ... drift of fingers, radial ... wrist deviation ... RheumatoidArthritis #RA #pathophysiology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
nerve pathology ... /Edrophonium test ... - Cogan sign ... - Peek sign 2. ... - Repetitive nerve
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 ... Nerve Palsies / ... • 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 ... lumbar spine Signs ... damage to sacral nerves ... #MSK #pathophysiology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... • Mutism Pathophysiology ... Nerves: Brainstem ... • Examine for signs ... Casey Albin MD @
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... and wrist joint ... important to look for signs ... radiograph - the radius ... #XRay #Anatomy