High Blood Pressure (Hypertension): Causes, Signs and Symptoms

High blood pressure (hypertension) is usually a sign of more serious cardiovascular problems. It can lead to coronary heart disease, heart failure, stroke, kidney failure, brain damage, and other health problems.

Blood pressure is determined by the amount of blood your heart pumps and the amount of resistance to blood flow in your arteries.  Normal arteries are smooth and flexible, and blood flows easily through them.

If arteries become hard and lose their elasticity, our heart has to work harder than normal to push the blood through. In the result, when blood vessels cannot supply enough blood, your organs don’t get enough oxygen and nutrients and they can’t work properly.
In addition, a blood clot (or thrombus) can occur. It slows or stops the flow of blood, and can cause even a heart attack or stroke.

Signs and Symptoms of High Blood Pressure
High blood pressure itself usually causes no symptoms, even if blood pressure readings reach dangerously high levels. However, if your blood pressure rises quickly, you may have:

  • headache,
  • dizziness,
  • blurred vision,
  • nosebleads,
  • nausea.

Fortunately, blood pressure can be easily controlled with lifestyle changes and medicines. In order to prevent serious diseases, it is suggested to have your blood pressure taken at least twice a year.

Please note, that normal blood pressure is below 120/80, blood pressure between 120/80 and 140/90 is called “pre-hypertension”, and a blood pressure of 140/90 or above is considered high.

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