14 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Oculomotor • Myasthenia ... Lambert-Eaton Myasthenic ... Syndrome • Botulism ... #Neurology #Differential
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Cord: Demyelinating ... , Myasthenia Gravis ... #diagnosis #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... Limb- proximal weakness ... crises”. ... bulbar weakness ... diagnosis #management #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... differential #diagnosis #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness ... : CHF, valves, COPD ... NMJ disorder (Myasthenia ... Differential #Diagnosis #causes ... #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
More likely to cause ... or respiratory weakness ... Symptomatic treatment Of ocular ... glucocorticoids - can cause ... diagnosis #management #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Unilateral Spinal Cord ... Brown-Sequard Syndrome ... ipsilateral to weakness ... #Hemiplegia #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... of the spinal cord ... Postsynaptic: Myasthenia ... aminotransferases • Serology ... Differential #Diagnosis #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Myasthenia gravis ... Neurogenic Ptosis - Neurologic ... to ptosis and weakness ... • Myasthenia gravis ... #Ptosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
/paralysis - Weakness ... Causes: 1. ... MCTD, Sjogren syndrome ... Back pain • Weakness ... disorders #diagnosis #neurology