on-off phenomenon

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on-off phenomenon (

ôf

)

A state in the treatment of Parkinson's disease with dopa in which the individual exhibits a rapid fluctuation of akinetic and choreoathetotic movements.

on-off phenomenon

Neurology An ↑ refractoriness to l-dopa's ability to control the smooth skeletal muscle movement in Parkinson's disease, where periods of excess abnormal movements–'on,' alternate with periods of prolonged immobility or freezing–'off'; 'on-off' also refers to the waxing and waning of parkinsonism itself. See Parkinson's disease.

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Antiparkinson Drugs Freezing Spell on phenomenon random off			20) The goal of DBS is to control symptoms and improve problems such as the on-off phenomenon and dyskinesias. Parkinson disease: current evidence for acute care management by Stickley, Lois / Acute Care Perspectives A partial explanation is that persons with Parkinson's suffer from an on-off phenomenon. Instructional strategies to help exercisers with Parkinson's disease by Hirsch, Mark A.; Ratliffe, Thomas; Vincent, John / Palaestra			omphalomesenteric vein omphalopagus omphalophlebitis omphalorrhagia omphalorrhea omphalorrhexis omphalos omphalosite omphalospinous omphalotomy Omphalotus OMS Omsk hemorrhagic fever OMT on on account on call On Off Dieting on or about on period On the Shop Floor on-call on-campus on-cost on-line on-off phenomenon on-the-rail dressing onanism onc genes onc(o)- onc- Oncaspar Onchocerca onchocerciasis onchocercoma onchocercosis onchosphere Oncicola onco- OncoChek oncocyte oncocytic hepatocellular tumor oncocytoma oncocytosis oncofetal oncofetal antigen oncofetal marker oncofetal protein oncogene oncogenes oncogenesis			On-Line Trace Compression On-Line Trading On-Line Traffic School, Inc. On-line Training Module On-line Transaction Insurance System On-Line Transaction Processing On-Line Transaction Processing On-Line Transfer of Funds On-Line Tuning Effect on-line typewriter On-Line Vehicle Integrated Management System On-Line Vehicle Interactive Management System On-Load Tap Changer On-Load Voltage Regulator On-looker On-looking ON-Math on-message on-net On-Net Surveillance Systems Inc. on-off on-off control On-Off Controller On-Off Cycles per Day On-off keying On-off keying on-off phenomenon On-Off Ratio on-off sprinkler on-off switch on-off switch on-off switch on-off switch on-off switch on-off system on-off tests On-off-on switch On-off-on switch On-off-on switch On-off-on switch On-off-on switch On-Orbit Calibrator On-Orbit Constraints Test On-Orbit Maintenance On-Orbit Operations Summary On-orbit Serviceable Unit On-Orbit Servicing On-Premise Account Managers On-Premise Laundry On-Premise School Representative On-sale On-Scene Command and Coordination Radio on-scene commander on-scene commander On-Scene Control Group On-Scene Control Point On-Scene Coordinator

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