hierarchy - a series of ordered groupings of people or things within a system; put honesty first in her hierarchy of values. 1  celestial hierarchy - the collective body of angels. 2  data hierarchy - an arrangement of data consisting of sets and subsets such that every subset of a set is of lower rank than the set. taxonomy - a classification of organisms into groups based on similarities of structure or origin etc.
Fludrocortisone and Midodrine are both medications that can help raise blood pressure. Ask your physician if one of these medications would be right for your situation. People are not generally prescribed medicine for low blood pressure, as it's not often a cause for concern unless it presents with symptoms.
Causes. Any factor that increases pressure against the artery walls can lead to prehypertension. Atherosclerosis, which is the buildup of fatty deposits in your arteries, can lead to high blood pressure. Sometimes an underlying condition causes blood pressure to rise.