17 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Ulnar Nerve ... #Pathologies #differential ... #diagnosis #Neuropathy ... #anatomy #arm # ... innervation #neurology
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
Ulnar Nerve Anatomy ... of the inner arm ... branches in the arm ... that in a high lesion ... #diagnosis #neurology
Myotomes of the Spinal Cord
Each segmental nerve root innervates more than one muscle. For simplicity, certain
Each segmental nerve ... muscle groups are ... more resilient to injury ... #Myotomes #SpinalCord ... #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
by Nerve Root Levels ... Flexion None T1 Ulnar ... Sphincter None #SpinalCord ... #Levels #differential ... #diagnosis #Neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... treat spinal cord injury ... unilateral) #SpinalCord ... #differential # ... diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Diagnosis Framework ... below the site of injury ... #spinal #cord #spinalcord ... #neurology #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to local skin injury ... ) • Neurologic ... Behcet disease) Differential ... Diagnosis: • Genital ... signs #symptoms #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... hemorrhage, which are ... reddish-purple lesions ... #Causes #dermatology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

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