About Blood Pressure; What Is Blood Pressure - LifeSource UA-702 User Manual

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ABOUT BLOOD PRESSURE

What Is Blood Pressure?

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