Table 2.

Description of types of alteration found under vector electronystagmography for 18 workers exposed to organophosphorous compounds, Teresópolis/RJ, 2006.

	NVE	PIVS			TOTAL
		PN	Hyperreflexia	PN + Hyperreflexia
N	2	7	5	4	18
%	11,1	38,9	27,8	22,2	100

NVE Normal vestibular examination

Peripheral irritative vestibular syndrome

Altered results only in the positional nystagmus test

HYPERREFLEXIA Hyperreflexia in caloric test absolute values

PN + HYPERREFLEXIA Altered results in positional nystagmus test and hyperreflexia in caloric test absolute values