Constant high blood pressure (when the blood pressure remains perpetually high) is termed as hypertension in medical science. This leads us to what blood pressure is?
Blood pressure is the force of the blood against the walls of the blood vessels – the arteries and veins in our body. Without this pressure the blood would not be able to circulate in the body. Hence blood pressure can be defined as the pressure which the blood exerts against the wall of the arteries through which it flows. The pumping from the heart maintains the continuous output of blood and this pressure is the resistance created by the small narrow arteries in the tissue.
This pressure is classified in two categories: high blood pressure and low blood pressure. In all human beings, the blood pressure varies from moment to moment. It rises when we are excited or tense and drops when we are relaxed or asleep. These are normal changes in the blood pressure and occur in every one of us. However, in persons suffering from high blood pressure, the pressure exerted by the arteries goes up and remains consistently and persistently up. The high blood pressure lies in the range of 140-150 mm systolic and 90-95 mm Hg. In fact this is the chronic condition called 'High Blood Pressure' or hypertension. Left untreated this condition might lead to such serious consequences as stroke, heart or kidney failure or paralysis. |