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What Is Blood Pressure?
Blood pressure is the force exerted by blood against the walls of
the arteries. Systolic pressure occurs when the heart contracts;
diastolic pressure occurs when the heart expands. Blood pressure
is measured in millimeters of mercury (mmHg).
What Affects Blood Pressure?
Blood pressure is affected by many factors: age, weight, time of
day, activity level, climate, altitude and season. Certain activities
can significantly alter blood pressure. Walking can raise systolic
pressure by 12 mmHg and diastolic pressure by 5.5 mmHg.
Sleeping can decrease systolic blood pressure by as much as 10
mmHg. Taking your blood pressure repeatedly without waiting an
interval of 5 to 10 minutes between readings, or without raising
your arm to allow blood to flow back to the heart, can also affect it.
In addition to these factors, diet beverages containing caffeine or
alcohol, certain medications, emotional stress and even tight-
fitting clothes can make a difference in the readings.
What Causes Variations In Blood Pressure?
An individual’s blood pressure varies greatly from day to day and
season to season. In hypersensitive individuals, these variations are
even more pronounced. Normally, blood pressure rises during work
or play and falls to its lowest levels during sleep.
Systolic Blood
Pressure
Diastolic Blood
Pressure
200
150
100
50
0
Fluctuation within a day (case: 35 year old male)
Arising
Start
Work
Telephone
Argument
Sleep
Leave
W
ork
ABOUT BLOOD PRESSURE
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LifeSource Health Line (Toll-Free): 1-888-726-9966
What Is Blood Pressure?
Blood pressure is the force exerted by blood against the
walls of the arteries. Systolic pressure occurs when the heart
contracts; diastolic pressure occurs when the heart expands.
Blood pressure is measured in millimeters of mercury
(mmHg).
What Affects Blood Pressure?
Blood pressure is affected by many factors: age, weight, time
of day, activity level, climate, altitude and season. Certain
activities can significantly alter blood pressure. Walking can
raise systolic pressure by 12 mmHg and diastolic pressure
by 5.5 mmHg. Sleeping can decrease systolic blood pressure
by as much as 10 mmHg. Taking your blood pressure
repeatedly without waiting an interval of at least 3 minutes
between readings can also affect it.
In addition to these factors, beverages containing caffeine or
alcohol, certain medications, emotional stress and even
tight-fitting clothes can make a difference in the readings.
What Causes Variations In Blood Pressure?
An individual’s blood pressure varies greatly from day to day
and season to season. In hypersensitive individuals, these
variations are even more pronounced. Normally, blood pres-
sure rises during work or play and falls to its lowest levels
during sleep.