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BLOOD PRESSURE Q&A
Q Why is the blood pressure measured at home different from that measured by the
physician or at a hospital?
A Your blood pressure may vary due to exercise, the ambient temperature or your mental
state. When you have a physician or nurse measure your blood pressure, the pressure
value is likely to be 10 to 20 mmHg higher than usual due to anxiety and/or stress.
Knowing what affects your blood pressure helps you to better monitor your health.
Q Why does the blood pressure obtained vary with measurement?
A Our blood pressure is adjusted by the function of automatic nerve. Blood pressure differs
with every heart beat. We are likely to think that our blood pressure is constant, but it
varies if you take measurements in repetition. Blood pressure is susceptible to the time of
day, such as forenoon and afternoon, season and atmospheric temperature. In addition,
blood pressure is easily affected by mental stress or emotional ups and downs. It tends
to increase when you feel tension or decrease when you are relaxed.
Q What is the benefi t of measuring my blood pressure at home?
A Blood pressure measurements taken at home give reliable data as they can be
taken when you are in a stable and relaxed condition. Physicians place considerable
importance on blood pressure measurements taken at home. You should measure
your blood pressure at the same time each day and record the variations in your blood
pressure.
Always consult your physician for an interpretation of your blood
pressure readings and to determine the proper treatment.