10 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... Lower motor neuron ... the differential diagnosis ... Similarly, the damaged lower ... hyporeflexia without sensory
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... • Transverse myelitis ... : Motor and sensory ... pain • Extra-CNS ... Manifestations #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... bouts of HTN Diagnostic ... , motor, or autonomic ... Diagnosis: • ... • Infectious causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... and/or genital sensory ... - Emergency Causes ... • Transverse myelitis ... extremity muscle atrophy
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Foot drop and sensory ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #motor #leg #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... spasticity • Lower ... Non-compressive Spinal Cord Causes ... - Transverse myelitis ... Loss of muscle (atrophy
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... and motor systems ... moves rapidly from lower ... Differential diagnosis ... Multiple Sclerosis: CNS
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... /Sensory: • Tone ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... neurology #comatose #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
vasculitis • Sensory ... and/or motor neuropathy ... the upper and lower ... tract, and often causes ... chorioretinitis, CNS