Hyundai HW201 Instructions Manual page 14

Why do we need to monitor blood pressure at home?
By monitoring at home, you may manage your health between doctor visits.
Home monitoring also provides you with a record of blood pressure measurements
over time to give your doctor - a valuable tool in hypertensive monitoring.
Home monitoring may also alleviate white coat hypertension.
This term refers to the phenomena which causes individuals' blood pressure to be
higher when taken in a medical office setting. This is due to the stress of being
in a medical office setting which may cause blood pressure to rise higher
than normal. When monitoring at home, you may get a more accurate
measurement of your blood pressure in a normal, relaxed state.
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