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.
No, elevated blood pressure is not a known side effect of the flu vaccine. Other things, such as pain, can cause your blood pressure to rise.
Where there is no specific cause, high blood pressure is referred to by doctors as primary or essential hypertension. Factors that can raise your risk of developing primary hypertension include: 1  age â the risk of developing high blood pressure increases as you get older.