Low blood pressure or hypotension, is a condition which the opposite of hypertension. It’s a condition where the arterial blood pressure is abnormally low. This means the heart, brain, and other parts of the body do not get enough blood.
Although blood pressure varies from person to person, a blood pressure reading of 90 millimeters of mercury (mm Hg) or less systolic blood pressure (the top number in a blood pressure reading) or 60 mm Hg or less diastolic blood pressure (the bottom number) is generally considered low blood pressure.
Low blood pressure is pressure so low it causes symptoms or signs due to the low flow of blood through the arteries and veins. When the flow of blood is too low it deliver enough oxygen and nutrients to vital organs such as the brain, heart, and kidney, the organs can’t work as normally they do and maybe temporarily or permanently damaged.