27 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... Nerve Pathologies ... • Ulnar Nerve ... sarahthelyon #Upper #Extremity ... #differential #diagnosis
PERIPHERAL NERVE INJURIES

#Diagnosis #Neurology #Peripheral #Nerves #UpperLimbs #Extremity #BrachialPlexus #Roots #Injuries #Deficits #Radial #Median #Ulnar #Axillary
PERIPHERAL NERVE ... INJURIES #Diagnosis ... Neurology #Peripheral #Nerves ... #UpperLimbs #Extremity ... Radial #Median #Ulnar
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... purely sensory nerve ... sensory • Before diagnosis ... MeralgiaParesthetica #MSK #pathophysiology ... #differential #diagnosis
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Radiculopathy: Signs and Symptoms ... supplied by the nerve ... Radiculopathy #MSK #diagnosis ... #signs #symptoms ... #pathophysiology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
hyperextension -> Upper extremity ... Primarily Upper Extremity ... Injury #Syndromes #diagnosis ... #pathophysiology ... #signs #symptoms
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... spine L1-L5 Symptoms ... so-called ‘red flag’ symptoms ... Differential Diagnosis ... #differential #diagnosis
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... paralysis of all extremity ... • Pain: Due to nerve ... Guillain-Barre Diagnosis ... Barre #Syndrome #diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Stimulation of nerve ... Boutonniere's ulnar ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms ... #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
with peripheral nerve ... of peripheral nerve ... paralysis of all extremity ... than one after symptom ... the underlying pathophysiology