Orthostatic tremor
- University Department of Medicine, Royal Adelaide Hospital, Adelaide, Australia
- University Department of Medicine, Royal Adelaide Hospital, North Terrace, Adelaide SA 5000, Australia. Telephone 00 61 8 8224 5502; fax 00 61 8 8223 3870; email pthompson{at}medicine.adelaide.edu.au
The term “orthostatic tremor” was introduced by Heilman in 1984 to describe “quivering” or tremor of the legs and trunk during quiet standing accompanied by unsteadiness that was relieved by walking or leaning on nearby objects.1 Subsequently, the tremor was characterised as a unique 16 Hz tremor predominantly affecting the legs and trunk.2 3 Tremor was visible only as a fine ripple because of the rapid frequency,2 3 and often obscured by voluntary manoeuvres to relieve the overwhelming sensation of unsteadiness, perhaps explaining the obscurity of …
