7 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... Neuropathy - Foot drop ... damage to peroneal nerve ... at fibular neck ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Conditions Erb's Palsy ... Syndrome Wrist drop ... Saturday night palsy ... #diagnosis #neurology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Facial Weakness - Differential ... Diagnosis Algorithm ... (2% of facial nerve ... : Bell's Palsy ( ... #Causes #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Fever, headache, neck ... hearing loss, palsy ... of the abducens nerve ... CNS #Infections #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Neck: “dropping ... weakness, arms > legs ... life-threatening Differential ... - Repetitive nerve ... #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... arthralgia, arm/leg ... affects the skin, neurologic ... muscle weakness • Nerves ... purpura (lower legs
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
flexors of the legs ... Pleocytosis > 100 cells ... brain and/or optic nerve ... #management #neurology ... #differential