Omron R2 User Manual download pdf (Page 27)

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8. Some Useful Information about

Blood Pressure

What is Blood Pressure?

Blood pressure is a measure of the force of blood flowing

against the walls of the arteries. Arterial blood pressure is

constantly changing during the course of the heart’s cycle.

The highest pressure in the cycle is called the Systolic Blood

Pressure; the lowest is the Diastolic Blood Pressure.

Both pressure readings, the Systolic and Diastolic, are

necessary to enable a doctor to evaluate the status of a patient’s

blood pressure.

Why is it a Good Thing to measure Blood

Pressure at Home?

Having your blood pressure measured by a doctor can cause

anxiety which is itself a cause of high blood pressure. As a

variety of conditions affect blood pressure, a single

measurement may not be sufficient for an accurate diagnosis.

Many factors such as physical activity, anxiety, or the time of

day, can influence your blood pressure. Thus it is best to try and

measure your blood pressure at the same time each day, to get

an accurate indication of any changes in blood pressure. Blood

pressure is typically low in the morning and increases from

afternoon to evening. It is lower in the summer and higher in the

winter.

Blood pressure is measured in millimetres of mercury (mmHg)

and measurements are written with the systolic pressure before

the diastolic e.g. A blood pressure written as 135/85, is referred

to as 135 over 85 mmHg.

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Omron R2 User Manual Page 27