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MERCK MANUAL
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Brain, Spinal Cord, and Nerve Disorders
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Movement Disorders
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Movement Disorders
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Overview of Movement Disorders
Classification
Chorea, Athetosis, and Hemiballismus
Causes
Symptoms
Diagnosis
Treatment
Coordination Disorders
Causes
Symptoms
Friedreich ataxia
Spinocerebellar ataxias
Diagnosis
Treatment
Dystonias
Causes
Types and Symptoms
Focal and segmental dystonias
Generalized dystonias
Diagnosis
Treatment
Cervical Dystonia
Symptoms
Diagnosis
Treatment
Medications
Surgery
Fragile X–Associated Tremor/Ataxia Syndrome
Symptoms
Diagnosis
Treatment
More Information
Huntington Disease
Symptoms
Diagnosis
Treatment
More Information
Myoclonus
Causes
Symptoms
Diagnosis
Treatment
Parkinson Disease (PD)
Changes inside the brain
Causes
Symptoms
Diagnosis
Physical examination
Tests
Treatment
General measures
Levodopa/carbidopa
Other medications
Deep brain stimulation
Other procedures
Stem cells
Treatment of mental symptoms
Caregiver and end-of-life issues
More Information
Parkinsonism
Causes
Symptoms
Diagnosis
Treatment
Progressive Supranuclear Palsy (PSP)
Symptoms
Diagnosis
Treatment
Tremor
Types of Tremors
Physiologic tremor
Essential tremor
Resting tremor
Intention tremor
Postural tremor
Complex tremor
Causes
Evaluation
Warning signs
When to see a doctor
What a doctor does
Testing
Treatment
Physiologic tremor
Essential tremor
Intention tremors
Deep brain stimulation
Essentials for Older Adults
Key Points