Blood pressure readings can vary in a single person throughout the day depending on the situation. Factors such as foods eaten ( or salt intake) or can cause pressure to rise.
The American Heart Association defines a normal blood pressure as less than 120/80. Elevated blood pressure ranges between 120/80 and 129/80, and high blood pressure is 130/80 and higher. In normal blood pressure should be below 120/80.
If your blood pressure reaches into the high range, you should see your doctor about lifestyle changes, and possibly medication especially if you have other risk factors, such as or .
High blood pressure (for example, 180/110 or higher) may indicate an emergency situation. If this high blood pressure is associated with , or back or , seek medical care immediately. If you are experiencing no associated symptoms with a high blood pressure reading such as this, re-check it again within a few minutes and contact your doctor or go to an emergency room if it is still high.
If your blood pressure is lower than about 100/60 you may have , depending on the associated symptoms. If you are unsure, check with your doctor.