If you suffer from elevated blood pressure there are high chances that you might develop hypertension in the future if proper steps are not taken to control your blood pressure . High blood pressure , or hypertension, occurs when the force of blood pushing through your vessels is consistently too high. Blood pressure charts provide information on the different blood pressure ranges, including normal, low, and high blood pressure . Knowing the different ranges can help you understand your blood pressure readings and take steps to maintain a healthy lifestyle. What is high blood pressure or hypertension? The American Heart Association provides information on high blood pressure , low blood pressure, and how to monitor, treat and prevent high blood pressure .