11 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Forehead Sparing = Central ... (2% of facial nerve ... - Unilateral: Bell's ... #neurology #sparing
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Causes of Vertigo ... - Vestibular Nerve ... Vestibulocochlear Nerve ... (CN VIII): Vestibular ... #diagnosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... lesions of the central ... #Differential #Diagnosis ... #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Bell's Palsy - Diagnosis ... Unilateral Facial Nerve ... , Lyme, facial nerve ... sarcoid or other CNS ... inflammatory cause
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
VII, the facial nerve ... exemplified here by a Bell's ... #Nerve #Paralysis ... #Bells #Palsy # ... Neurology #Diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... per μL • Diagnosis ... headache, altered mental ... Demyelinating disease caused ... of the abducens nerve
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Pleocytosis > 100 cells ... • Infectious causes ... brain and/or optic nerve ... #neurology #differential
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... : • Central nervous ... myelopathy, cranial nerve ... neuropathy, transverse myelitis ... • 8%-27% for CNS
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 ... equina syndrome (CES ... - Emergency Causes ... • Transverse myelitis ... #causes #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
only if no clear cause ... Elimination (see Table ... Bicarb<22) - avoid NS ... Ca-gluconate or 1g CaCl- (central ... Drives K+ into cells