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HIGH BLOOD
PRESSURE
Blood pressure is the pressure which the blood produces
in the arteries as it is pumped by the heart to the various organs of
the body. When the heart contracts, the blood pressure is at its
highest. As the heart relaxes, the blood pressure is at its lowest
point. The high one is called the Systolic Pressure, and the low one is
called Diastolic Pressure. For example , if the blood pressure is said
to be 130/80, 130 means the Systolic and 80 means the Diastolic
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What is it?
Your blood pressure will vary during the day depending on what you are
doing. If you are relaxed and resting it will be lower than when you are
active or upset. Also as you grow older, it will tend to rise. All this
is fairly normal. There are some people, however, whose blood pressure
is found to be persistently above normal when measured over a period of
time. These people are suffering from HYPERTENSION , i.e. High blood
pressure.
In examining the blood pressure of over 50,000
people in Ireland the Irish Heart Foundation's Mediscan team found that
one in every ten adult men and woman have high blood pressure. In the
majority of people no known cause can be found for this Hypertension.
Having high blood pressure does not produce any symptoms so the only way
to detect it is to HAVE IT CHECKED.
Effects of hypertension
High blood pressure adds to the workload of the heart and arteries. This
forces the heart to work harder and over a long period it tends to
enlarge. While a slightly enlarged heart may function adequately, a very
enlarged heart has a hard time keeping up with the demands put on it.
After many years of high blood pressure the arteries may become hardened
and scarred and lose their elasticity. They may be no longer capable of
delivering enough blood to the various organs of your body to enable
them to function properly, or a blood clot may lodge in a narrowed
artery and deprive some part of the body of its normal blood supply
This is why doctors look for signs of damage to three vital areas: the
heart , the kidneys , and the brain. High blood pressure increases your
chances of suffering from a Stroke ( blood vessel damage to the brain).
However the risk of a stroke or of damage to the other important organs
of your body can be dramatically reduced if blood pressure is treated
early, and if this treatment is maintained.
Control of blood pressure
It takes two to control your high blood pressure - the doctor and YOU.
By and large if your doctor finds you to have high blood pressure he
will ask you to come back at least twice more before considering
medication. If you blood pressure is found to be high there are some
important rules to follow. |
 | If you are prescribed tablets you will probably need to continue
these tablets for many years to come. |
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 | The number of tablets you are required to take will vary and
depend on how your blood pressure responds. This varies from person to
person. |
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 | Initially you may find that the tablets make you feel unwell and
you may have some dizziness, unsteadiness or other complaints. This in
not unusual and you should not stop your tablets without consulting
your doctor. |
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 | Accept that your body has to become adjusted to a new and lower
blood pressure. This may take some months during which time you may
occasionally feel unwell. Persevere- it is worth it in the long run.
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 | If you are overweight, losing weight may help lower you blood
pressure and reduce the number of tablets that you require.
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 | If as well as having high blood pressure, you are a smoker, then
the risk to your health is much greater so that giving up smoking is
essential. |
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 | Regular exercise as well as lowering your weight is known to have
a beneficial lowering effect on your blood pressure. Your diet is also
of vital importance and it should be low in fat and salt. |
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