Bhrama

Bhrama (giddiness) has been mention as a term equivalent to Hypertension. As a disease, it has been explained as a feeling in which a person experiences the fast rotation in the shiras similar to that of fast rotating wheel. Charaka samhita has considered bhrama as one among the
vatajananatmaja vyadhi. The literal meaning of bhrama is rotation. Clinically it represents Giddiness and vertigo. Ayurveda deepika considers bhrama is a condition
characterized by moha of smriti. Ashtanga hridaya mentions that, this is because of aggravation of vata dosha and diminished kapha, whereas in Charaka samhita it is
considered as sanchaya (accumulation) of vata dosha blocked by vitiated pittadosha.

Source: http://www.jbsoweb.com/admin/php/uploads/166_pdf.pdf