The systolic pressure (higher number) is the force at which your heart pumps blood around your body. What is high blood pressure?īlood pressure is recorded with 2 numbers.

The only way to find out if your blood pressure is high is to have your blood pressure checked. But if untreated, it increases your risk of serious problems such as heart attacks and strokes.Īround 1 in 4 adults in the UK have high blood pressure, although many will not realise it. High blood pressure, or hypertension, rarely has noticeable symptoms.