15 results
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Tumor • Motor Nerves ... Poliomyelitis, Guillain-Barre ... #Causes #differential ... #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Can begin in arms ... Absent Reflexes: Arms ... • Pain: Due to nerve ... management #treatment #neurology
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
GBS, Guillain-Barré ... syndrome; HNPP, ... palsies; NCS, nerve ... #Diagnosis #Neurology ... #Neuropathy #Peripheral
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... cross-reacts with peripheral ... or the axon of peripheral ... #Syndrome #diagnosis ... #management #neurology
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Medication-induced: ART ... CIDP, Guillain-Barre ... Paraprotein-associated (POEMS syndrome ... #Neuropathy #differential ... diagnosis #causes #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Acute stroke syndromes ... Lesions Of The Peripheral ... #Differential # ... Diagnosis #neurology
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Carpal Tunnel Syndrome ... of the median nerve ... & Ulnar nerve ( ... clinical #video #physicaleaxm ... #neurology #orthopedics
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
, arms > legs ... life-threatening Differential ... Brain stem/Cranial nerve ... - Repetitive nerve ... diagnosis #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 ... cord • Guillain-Barre ... lower extremity weakness ... #differential # ... diagnosis #causes #neurology