BD401
InSTRuCTIOn
manual
blOOD pRESSuRE mOnITOR
with BP Advisor™ Technology
Wrist
Table of Contents
1. Introduction
1.1 Features
1.2 Important Information
1.2A Safety Information
2. About Blood Pressure
2.1 Normal Blood Pressure Values
2.2 Common Blood Pressure Questions and Answers
2.3 What is mean arterial pressure (MAP)?
3. Getting Started
3.1 About the BD401
3.2 About the LCD Screen
3.3 Inserting the Batteries
3.4 Discontinuing a Measurement
4. Using the Device
4.1 Setting Date, Time, Language And Measurement Units
4.2 Obtaining Accurate Measurements
4.2A Before Measuring
4.2B Fitting the Wrist
4.2C Choose Your Measurement Position
4.3 Measuring Your Blood Pressure
4.4 Recalling Measurements Stored In Memory
4.5 Deleting A Measurement Record From Memory
4.6 Discontinue A Measurement
4.7 Voice Playback Of Blood Pressure Measurement
5. Troubleshooting
6. Care and Maintenance
7. Lifetime Guarantee
8. Reference to Standards
9. Technical Specifications
10. Contacts for Support
Talking Wrist Blood Pressure Monitor
Instruction Manual
1. Introduction
Thank you for purchasing the BIOS Diagnostics™ Talking Wrist Blood Pressure Monitor.
Designed for convenience and easy operation, this device provides you with voice
directions on how to take blood pressure correctly. It also announces your blood pressure
reading, and lets you know how your systolic and diastolic numbers rate according to the
World Health Organization (WHO) guidelines.
1.1 Features
• Voice prompt on how to take blood pressure correctly
• Announces and displays:
- Systolic and diastolic pressure, and how they compare to WHO guidelines
- Pulse rate
- Mean arterial pressure
• Memory recalls 2 users, 60 measurements each
• Volume adjustment
Readings taken by the blood pressure monitor are equivalent to those obtained by a
trained observer using the cuff and stethoscope method. Clinical performance were
successfully done against ANSI/AAMI SP10 and international protocol, and The B.H.S.
which has rated this product “recommended for clinical and home use”, this is the highest
grading available for blood pressure monitors. Please refer to BHS website http://www.
bhsoc.org/bp_monitors/automatic_wrist.stm.
Before using the BD401, please read this instruction manual carefully and keep it in safe
place.
1.2 Important Information
Refer to the following sections to learn about important safety instructions and how to
take care of the BIOS Diagnostics
™
Talking Wrist Blood Pressure Monitor.
1.2A Safety Information
• Self measurement means control, not diagnosis or treatment. Your values must always
be discussed with your doctor or a physician who is familiar with your family history.
• If you are undergoing medical treatment and receiving medication, consult your doctor
to determine the most appropriate time to measure your blood pressure. Never alter the
dosages of any medication without direction from your doctor.
• The pulse display is not suitable for checking the frequency of heart pacemakers.
• If you have been diagnosed with a severe arrhythmia or irregular heartbeat, vascular
constriction, liver disorders, or diabetes, have a cardiac pacemaker, or are pregnant,
measurements made with this instrument should only be evaluated after consultation
with your doctor.
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• Morning Hypertension ( > 135 / 85 mm Hg): Recently, several studies have identified
elevated cardiovascular risks (heart failure, stroke, angina) associated with “morning
hypertension”. There is a typical rise in blood pressure during the physiological
changes from sleep to arising for the day.
• This device is intended for adult use only.
2. About Blood Pressure
Your blood pressure is an important parameter that can be used to monitor your health.
This device enables you to monitor your blood pressure regularly and maintain a record of
your blood pressure measurements. You can then use this record to assist your physician
in diagnosing and maintaining a healthy blood pressure level. Your blood pressure level is
determined in the circulatory center of your brain. Your nervous system allows your body
to adapt or alter blood pressure in response to different situations. Your body alters your
pulse or heart rate and the width of blood vessels through changes in muscles in the walls
of blood vessels.
Your blood pressure reading is highest when your heart pumps or ejects blood. This stage
is called your systolic blood pressure.
Your blood pressure is lowest when the heart rests (in-between beats). This is called your
diastolic blood pressure.
• Your blood pressure depends on several factors, such as age, gender, weight, and
physical condition It also depends on the environment and your state of mind at the
time of measurement. In general, your blood pressure is lower when you are asleep
and higher when you are active. Your blood pressure may be higher when recorded
at a hospital or a clinic and may be lower when measured in the relaxing comfort of
your home. Due to these variations, we recommend that you record your blood pressure
regularly at home as well as at your doctor’s clinic.
• Try to record your blood pressure regularly at the same time of the day and under the
same conditions. This will help your physician detect any extreme variations in your
blood pressure and thus treat you accordingly. The ideal time to measure your blood
pressure is in the morning just after you wake up before breakfast and any physical
activity, and in the absence of the urge to urinate. If this is not possible, try to take the
measurements later in the morning, before you start any physical activity. Relax for a
few minutes before you record your blood pressure.
• It is critical to maintain blood pressure values within a “normal” range in order to
prevent cardiovascular diseases. Increased blood pressure values (various forms of
hypertension) have associated long and medium term health risks. These risks concern
the arterial blood vessels of your body, which are endangered due to constriction
caused by deposits in the vessel walls (arteriosclerosis). A deficient supply of blood to
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important organs (heart, brain, muscles) can be the result. Furthermore, with long-term
increased blood pressure values, the heart will become structurally damaged.
• There are many different causes of the appearance of high blood pressure. We
differentiate between common primary (essential) hypertension, and secondary
hypertension. The latter group can be ascribed to specific organic malfunctions. Please
consult your doctor for information about the possible origins of your own increased
blood pressure values.
2.1 Normal Blood Pressure Values
Blood pressure is too high when, at rest, the diastolic pressure is above 90 mmHg or the
systolic blood pressure is over 140 mmHg.
If you obtain readings in this range, consult your doctor immediately. High blood pressure
values over time can damage blood vessels, vital organs such as the kidney, and your
heart.
Should the systolic blood pressure values lie between 140 mmHg and 160 mmHg or the
diastolic blood pressure values lie between 90 mmHg and 95 mmHg, consult your doctor.
Regular self-checks will be necessary.
With blood pressure values that are too low (i.e., systolic values under 105 mmHg or
diastolic values under 60 mmHg), consult with your doctor.
Even with normal blood pressure values, a regular self-check with your blood pressure
monitor is recommended. This way you can detect possible changes in your values early
and react appropriately.
Refer to the following table for classifying blood pressure values (units: mmHg) according
to the World Health Organization (WHO):
Category Systolic Blood Pressure Diastolic Blood Pressure
Optimal < 120 < 80
Normal < 130 < 85
High Normal 130 - 139 85 - 89
Hypertension
• Stage 1: Mild
• Stage 2: Moderate
• Stage 3: Severe
140 - 159
160 - 179
> 180
90 - 99
100 - 109
> 110
Isolated Systolic Hypertension > 140 < 90
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Further information
If your values are mostly “normal” under resting conditions but exceptionally high under
conditions of physical or psychological stress, it is possible that you are suffering from socalled ”labile hypertension”. In any case, please discuss the values with your doctor.
Correctly measured diastolic blood-pressure values above 120mmHg require immediate
medical treatment.
2.2 Common Blood Pressure Questions and Answers
a) Why is my blood pressure reading always different?
Your blood pressure changes constantly. It is quite normal for blood pressure to fluctuate
significantly (50 mmHg to 60 mmHg) throughout the day. Blood pressure is normally lowest
at night, but increases during waking hours when the stress and activities of everyday
life are highest.
mmHg
AM Time PM
Your blood pressure also increases and decreases under the following circumstances
Blood pressure is higher than normal:
• when you are excited, nervous, or tense
• while taking a bath
• during and after exercise or strenuous physical activity
• when it is cold
• within one hour after meals
• after drinking tea, coffee, or other caffeinated drinks
• after smoking tobacco
• when your bladder is full
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Blood pressure is lower than normal:
• after consuming alcohol
• after taking a bath
b) Why is the doctor’s reading different from the reading taken at home?
Your blood pressure can vary due to the environment (temperature, nervous condition).
When measuring blood pressure at the doctor’s office, it is possible for blood pressure
to increase due to anxiety and tension.
c) Why should I monitor blood pressure at home?
One or two readings will not provide a true indication of your normal blood pressure. It
is important to take regular, daily measurements and to keep records over a period of
time. This information can be used to assist your physician in diagnosing and
preventing potential health problems.
2.3 What is mean arterial pressure (MAP)?
The mean arterial pressure (MAP) is the average pressure that forces blood through the
arteries. It is not the average of the systolic and diastolic blood pressure; rather, MAP
corresponds to a state of balance between the compressive and expansive forces acting
on the arterial wall when there is no distension outward or inward. MAP is an excellent
way to evaluate the stress on the walls of your blood vessels, and can be used to evaluate
excessive load on the cardiovascular system. Show your MAP history to your doctor to
provide additional information that may help him or her understand your situation.
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