11 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Radial Nerve ... • Median Nerve ... #Pathologies #differential ... #arm #innervation ... #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... palsyMedial ... Fasciculus (MLF) Iniury ... ophthalmology #neurology ... #differential #
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... nerve in the radial ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... nerve injury ... nerve injury ... #Nerve #Anatomy ... #diagnosis #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... by Nerve Root Levels ... Thigh Hip Flexion ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • CN VI palsy ... • Neurologic ... IV - Eye cannot ... depress when looking medially
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... injuries: Fractures (medial ... anterior interosseous nerve ... Posterior long arm ... #Orthopedics #Sports
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Multiple infections are ... hearing loss, palsy ... of the abducens nerve ... CNS #Infections #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
loss, arthralgia, arm ... bruits, asymmetric arm ... primary condition MEDIUM ... affects the skin, neurologic ... muscle weakness • Nerves
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... failure Diagnosis - Medical ... conditions listed in differential ... activity between nerve ... Lateral #Sclerosis #neurology