14 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Diagnosis Algorithm ... Forehead involved = Peripheral ... nerve palsy) ... #Causes #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Weakness with Sensory ... • Peroneal • Radial ... #Weakness #Sensory ... #Causes
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential Diagnosis ... Consciousness • Cranial Nerve ... Findings: ipsilateral facial ... #Hemiplegia #Neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... Complications: • Weakness ... nerves which can ... #CaudaEquina #Syndrome ... pathophysiology #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... axillary nerve ... anesthesia and deltoid weakness ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
weakness or paralysis ... nerve, anywhere ... #Nerve #Paralysis ... #Bells #Palsy #Neurology ... #Diagnosis *
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 ... lower extremity weakness ... decompression #CaudaEquina ... #causes #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... Lesions Of The Peripheral ... signs - Lack of sensory ... dystrophies Work ... #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Nerve (CN7) Palsy ... weakness ± hyperacusis ... nerve ischemia ... and Workup: • ... CNS inflammatory cause
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Weakness: - Weakness ... negative, MOG-IgG test ... • Infectious causes ... brain and/or optic nerve ... #management #neurology