28 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
of Peripheral Weakness ... without Sensory ... No Objective Weakness ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
injury, often from vascular ... Upper extremity weakness ... Sensory loss below ... signs #symptoms #msk ... #orthopedics #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Brown-Sequard Syndrome ... (sensory loss to ... contralateral to weakness ... ipsilateral to weakness ... #Hemiplegia #Neurology
Clinical Features and Vascular Territories of Stroke
Anterior circulation—anterior cerebral artery (ACA) - Contralateral leg weakness
Anterior circulation—middle
Clinical Features and Vascular ... Contralateral leg weakness ... face, arm > leg weakness ... , sensory loss, ... CVA #Diagnosis #Neurology
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Incomplete spinal cord syndromes ... sign, variable weakness ... - Ipsilateral weakness ... Incomplete #spinalcord #syndromes ... #diagnosis #neurology
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Brown—Séquard syndrome ... with ipsilateral weakness ... MS: loss of proprioception ... #Diagnosis #Neurology ... Review in Clinical Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... claudication and weakness ... stopping walking (vascular ... Myotomes #diagnosis #neurology ... #sensory #motor
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Lambert-Eaton - Isaacs' syndrome ... signs - Lack of sensory ... Differential #Diagnosis #neurology
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Progressive muscle weakness ... Progression of weakness ... involvement, Mild sensory ... in CSF • Sharp sensory ... diagnosis #criteria #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Demyelinating Disease (MS ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... differential #diagnosis #neurology