19 results
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Changes - Differential ... Diagnosis Algorithm ... Myopathy - Proximal muscle ... #Sensory #Neurology ... #Differential #
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
without Sensory ... Diagnosis Algorithm ... Neuropathy • Spinal ... Myopathy - Proximal muscle ... #Neurology #Differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... • Symptoms and signs ... disorders #diagnosis #neurology ... #differential ... #algorithm
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
of Hemiplegia - Differential ... Diagnosis Algorithm ... findings Unilateral Spinal ... #Hemiplegia #Neurology ... #Differential #
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Disease - Skull/spine ... Pain/Proximal Muscle ... Weakness • Vitamin ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Upper extremity weakness ... Sensory loss below ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Root Sensory Motor ... Dermatomes Abdominal Muscles ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Muscle weakness ... Lesions of the spinal ... Lack of UMN/LMN signs ... - Lack of sensory
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... at the level of sensory ... result in: - Muscle ... paralysis - Sensory ... syndromes #lesions #differential
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Spinal Cord: ... Demyelinating Disease (MS ... aminoglycosides) • Muscles ... #Causes #differential ... #diagnosis #neurology