High blood pressure is considered dangerous when it leads to stroke, kidney disease, heart failure and heart attack, and dangerously high readings are 180/110 and higher. A person may have high blood pressure for a long ... More »

Blood pressure readings over 180 systolic or 110 diastolic are considered a medical crisis and require immediate medical attention, according to the American Heart Association. This is known as a hypertensive crisis, and... More »

The majority of those afflicted by high blood pressure, which is also called hypertension, experience no symptoms at all, even when blood pressure reaches dangerous levels. Those who do experience symptoms may have chest... More »

High blood pressure can sometimes be lowered using lifestyle and diet modifications alone, according to Mayo Clinic. When lifestyle and dietary changes alone is not enough, medications to lower blood pressure may be requ... More »

www.reference.com Health Medical Ranges & Levels

High blood pressure is usually an asymptomatic condition, and it can only be detected by doing regular checkups, according to the American Heart Association. A person in a hypertensive crisis, when the systolic blood pre... More »

www.reference.com Health Medical Ranges & Levels

High blood pressure is signalled by a systolic reading of 140 or higher or a diastolic reading of 90 or higher, according to the American Heart Association. These numbers indicate the pressure in the arteries when the he... More »

www.reference.com Health Medical Ranges & Levels

High blood pressure can be minimized or prevented by home remedies such as garlic, potassium-rich foods, and fresh fruits and vegetables, according to HowStuffWorks. Other medicine alternatives that WebMD lists include h... More »

www.reference.com Health Medical Ranges & Levels