![]() It generally refers to a blood pressure below an average of about 90/60 mmHg.Īccording to the Heart Foundation, the diagnosis of high blood pressure should be based on multiple blood pressure measurements taken on separate occasions. Low blood pressure, or hypotension, is not as easy to define as it is usually relative to a person’s normal blood pressure reading, and varies between different people. High blood pressure is further classified as mild, moderate or severe as the pressure increases above this level. a diastolic pressure greater than or equal to 90 mmHg.have a systolic pressure greater than or equal to 140 mmHg and/or.blood pressure between 130/85 and 139/89 mmHg is classified as ‘ high-normal‘.Ī person is defined by the Heart Foundation as having high blood pressure (hypertension) if they:.blood pressure between 120/80 and 129/84 mmHg is ‘ normal‘ and.blood pressure below 120/80 mmHg can be classified as ‘ optimal‘.What is normal blood pressure?Īccording to the Heart Foundation of Australia, as a general guide: Blood pressure is measured in millimetres of mercury (mmHg), for example 120/80 mmHg (known as 120 over 80). The diastolic reading (the second number) indicates the pressure within the arteries when the heart is at rest. ![]() ![]() The systolic reading (the first number of the 2) indicates the pressure of blood within your arteries during a contraction of the left ventricle of the heart. Usually, the point at which the sounds disappear is known as the diastolic pressure. ![]() As the doctor continues to lower the pressure in the cuff, the sounds will disappear. The pressure reading on the sphygmomanometer when the sound of blood is first heard pulsing through the artery is known as the systolic pressure. As the pressure is lowered, your doctor will listen through a stethoscope for the sound of blood starting to pulse through the brachial artery again. ![]()
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