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Learn about your condition:Hypertension

Blood pressure viewer

    • View diferent levels of blood pressure readings
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  • Normal
    • Systolic  < 120
    • Diastolic  < 80
  • Prehypertension
    • Systolic  120 - 139
    • Diastolic  80 - 89
  • Hypertension Stage 1
    • Systolic  140 - 159
    • Diastolic  90 - 99
  • Hypertension Stage 2
    • Systolic  160+
    • Diastolic  100+
  • Hypertension Crisis
    • Systolic  180+
    • Diastolic  110+


The most common cause of stroke is a blood clot that forms in a brain blood vessel, causing damage to the brain. If the supply of blood to the brain is cut off, the brain doesn’t get the constant flow of oxygen it needs and can lead to the affected area of the brain becoming damaged or dead.

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Transient Ischaemic Attack

More commonly known as a mini-stroke, a transient ischaemic attack has similar symptoms to a stroke. TIA causes symptoms which usually go completely within 24 hours, unlike a stroke which has more permanent symptoms. The most common cause of TIA is a tiny blood clot in a blood vessel in the brain.

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If you have angina, one or more of your coronary arteries is usually narrowed. This causes a reduced blood supply to a part, or parts, of your heart muscle. It is more common in men than women and also in people over the age of 50. High blood pressure can aggravate the condition as more blood is pushed through an already narrowed opening.

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Heart Attack

A heart attack is usually caused by a blood clot, which stops the blood flowing to a part of your heart muscle. This is caused by a coronary artery or one of its smaller branches becoming suddenly blocked. The part of the heart muscle supplied by this artery will lose blood and oxygen and can lead to that part of the heart muscle dying unless the blockage is removed quickly.

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Peripheral Arterial Disease

Peripheral arterial disease is caused by the narrowing of blood vessels, mainly occurring in arteries that supply blood to the legs. The main symptoms are pain in one of more of your legs when you walk. The condition is also known as peripheral vascular disease (PVD). It is also sometimes called hardening of the arteries of the legs.

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