English 10Reference Material: Journal of Hypertension 1999, Vol 17 No.2Diastolic blood pressureSystolic blood pressureOptimalNormalHigh-normalGrade 1 hypertension (mild)Grade 2 hypertension (moderate)Grade 3 hypertension (severe)What Is An Irregular Heartbeat?Model UA-705 blood pressure monitor provides a blood pressure and pulserate measurement even when an irregular heartbeat occurs. An irregularheartbeat is defined as a heartbeat that varies by 25% from the average of allheartbeats during the blood pressure measurement. It is important that you arerelaxed, remain still and do not talk during measurements.Note: We recommend contacting your physician if you see this indicator frequently.About Blood PressureWhat 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 occurswhen the heart expands. Blood pressure is measured in millimeters of mercury(mmHg). One's natural blood pressure is represented by the fundamentalpressure, which is measured first thing in the morning while one is still at restand before eating.What Is Hypertension And How Is It Controlled?Hypertension, an abnormally high arterial blood pressure, if left unattended, cancause many health problems including stroke and heart attack. Hypertensioncan be controlled by altering one's lifestyle, avoiding stress, and with medicationunder a doctor’s supervision. To prevent hypertension or to keep it under control:Do not smoke Exercise regularlyReduce salt and fat intake Have regular physical checkupsMaintain proper weightWhy Measure Blood Pressure At Home?Blood pressure measured at a clinic or doctor's office may cause apprehensionand can produce an elevated reading, 25 to 30 mmHg higher than thatmeasured at home. Home measurement reduces the effects of outsideinfluences on blood pressure readings, supplements the doctor's readings andprovides a more accurate, complete blood pressure history.WHO Blood PressureClassificationStandards to assess high bloodpressure, without regard to age,have been established by theWorld Health Organization(WHO), as shown in the charton the right.