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
Wernicke Encephalopathy - Triad

Encephalopathy 
 • Disorientation 
 • Indifference 
 • Inattentiveness 
Ocular motor dysfunction
Inattentiveness Ocular motor ... Ataxia • Gait ... Encephalopathy #Syndrome ... Triad #Diagnosis #Neurology ... #Thiamine #Deficiency
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
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Thiamine Deficiency ... Manifestations Causes ... of Thiamine Deficiency ... extremities - Sensory ... and motor impairments
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