12 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Forehead Sparing = Central ... nerve palsy) ... - Unilateral: Bell's ... Palsy (70-75%), Infection ... #Causes #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
nerve, anywhere ... exemplified here by a Bell's ... #Facial #Nerve ... #Paralysis #Bells ... #Palsy #Neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... also called sleep paralysis ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
disc herniation (central ... epidural hematoma • Infection ... Weakness (flaccid paralysis ... nerves which can ... CaudaEquina #Syndrome #MSK
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
headache, altered mental ... status, and focal ... /Edema • EBV analysis ... of the abducens nerve ... InfectiousDiseases #Neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
response preceding infection ... Campylobacter jejuni - HIV ... nearly complete paralysis ... all extremity, facial ... Paresthesias: Hands
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
proximal ulnar shaft ... with radial head ... posterior interosseous nerve ... Management: Pain control ... Orthopedics #Proximal #MSK
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
lesions of the central ... Vasculitis • Infectious ... syndrome - Tick-paralysis ... parainfluenza, Coxsackie, HIV ... Differential #Diagnosis #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
with peripheral nerve ... immunodeficiency virus (HIV ... nearly complete paralysis ... all extremity, facial ... diagnosis #management #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Herpesviruses (MCC: HSV ... endemic area, - Facial ... paralysis, which ... rav7ks #CNS #Infections