12 results
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
(Contralateral motor ... • Aphasia • Apraxia ... Cognition/Confusion, Dementia ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Sensory Changes ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential ... Diagnosis #Algorithm #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Trauma, Tumor • Motor ... : Acid maltase deficiency ... #diagnosis #neurology
Unsteady Gait in CIDP

Another cause of frequent falls and unsteady gait. Ankle instability due to ankle
CIDP Another cause ... to ankle muscle weakness ... eversion) with distal sensory ... CIDP #clinical #video ... #neurology #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Vitamin B12, Copper deficiency ... - Lower motor ... lesion - Upper motor ... differential #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Carpal Tunnel Syndrome ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology ... #sensory #motor
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... claudication and weakness ... Myotomes #diagnosis #neurology ... #sensory #motor
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Upper Motor Neuron ... endocrine: Vitamin B12 deficiency ... signs - Lack of sensory ... aminotransferases • Serology ... Differential #Diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
of injury • Gait ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... : Sensory level ... disorders #diagnosis #neurology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
soles in 50% of cases ... have positive serology ... tabes dorsalis, gait ... impairments, and dementia ... to those of B12 deficiency