9 results
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
Levels Spinal Root Sensory ... Dermatomes Abdominal Muscles ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... • Symptoms and signs ... tone, areflexia ... disorders #diagnosis #neurology ... #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lack of UMN/LMN signs ... - Lack of sensory ... EMG) studies • MRI ... #Diagnosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... cord compression (MRI ... • Bilateral signs ... diagnosis #management #neurology ... #differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... of UMN and LMN signs ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... The "double PCL sign ... Differential diagnosis ... BucketHandle #Tear #knee ... #mri #clinical
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
and/or genital sensory ... lower extremity muscle ... decreased rectal tone ... Imaging studies: • MRI ... diagnosis #causes #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... vasculitis • Sensory ... affects the skin, neurologic ... oligoclonal bands • MRI
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Mutism Pathophysiology ... brainstem Motor/Sensory ... • Examine for signs ... #PhysicalExam #neurology