9 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... Forehead Sparing = Central ... nerve palsy) ... #Causes #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... • Thus a PIN palsy ... (which provide central ... palsy recovers there ... #diagnosis #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
nerve, anywhere ... here by a Bell's palsy ... neurons on the left are ... #Facial #Nerve ... #Neurology #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... made, rule out: focal ... Straight Leg Raise Test ... ligament (near anterior ... pathophysiology #differential
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 ... Diagnosis: • ... • Provocative Tests ... #diagnosis #causes ... #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Arboviruses: - West ... endemic area, - Facial ... and meningismus are ... #diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Multiple infections are ... hearing loss, palsy ... of the abducens nerve ... CNS #Infections #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
extensors of the arms ... negative, MOG-IgG test ... brain and/or optic nerve ... #management #neurology ... #differential