Abstract
Autonomic failure is a common finding in patients with Parkinson disease (PD). Here we describe a patient with PD in whom autonomic symptoms began 3 years before motor deficits.
MeSH terms
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Aged
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Autonomic Nervous System Diseases / diagnostic imaging
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Autonomic Nervous System Diseases / etiology
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Early Diagnosis
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Humans
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Male
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Parkinson Disease / complications*
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Parkinson Disease / diagnostic imaging*
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Positron-Emission Tomography / methods
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Pure Autonomic Failure / diagnostic imaging*
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Pure Autonomic Failure / etiology*
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Shy-Drager Syndrome / diagnostic imaging*
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Shy-Drager Syndrome / etiology*
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Tomography, Emission-Computed, Single-Photon / methods