12 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Diagnosis Algorithm ... Forehead Sparing = Central ... Forehead involved = Peripheral ... (2% of facial nerve ... #neurology #sparing
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
pinch grip weakness ... caused by ulnar ... Palsy #clinical #video ... #neurology #physicalexam ... #msk #orthopedics
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
(c) Central cord ... with ipsilateral weakness ... MS: loss of proprioception ... #Diagnosis #Neurology ... GrepMed Recommended Text
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Facial weakness ... VII, the facial nerve ... #Nerve #Paralysis ... #Bells #Palsy #Neurology ... #Diagnosis *
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... disc herniation (central ... Complications: • Weakness ... damage to sacral nerves ... CaudaEquina #Syndrome #MSK
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... lesions of the central ... Lesions Of The Peripheral ... signs - Lack of sensory ... dystrophies Work
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Weakness: - Weakness ... bouts of HTN Diagnostic ... negative, MOG-IgG test ... brain and/or optic nerve ... #management #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... - Repetitive nerve
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... cross-reacts with peripheral ... or the axon of peripheral ... and sensitive tests ... #management #neurology
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 ... and/or genital sensory ... - Emergency Causes ... lower extremity weakness ... #causes #neurology