Rexall RX813 User manual

Model #: RX813
Instruction Manual
Wrist
Automatic Blood
Pressure Monitor
Tensiomètre
automatique de
Poignet
TH3390_RX813_RX_IB_ENG_December182018.indd 1 2019-01-02 12:07 PM

Automatic Wrist Blood Pressure Monitor
Instruction Manual
Table of Contents
1. Introduction
1.1 Features
1.2 Important Information
1.2A Safety Information
1.2B Care of the Device
1.2C Comparing Readings to Other Blood Pressure Devices
1.2D Calibration
2. About Blood Pressure
2.1 Normal Blood Pressure Values
2.2 Common Blood Pressure Questions and Answers
3. Getting Started
3.1 About the Device
3.2 About the LCD Screen
3.3 Inserting the Batteries
RX813
TH3390_RX813_RX_IB_ENG_December182018.indd 2 2019-01-02 12:07 PM

4. Using the Device
4.1 Setting Date and Time
4.2 Obtaining Accurate Measurements
4.2A Before Measuring
4.2B Fitting the Wrist
4.3 Measuring Your Blood Pressure
4.4 Automatic Inflation
4.5 Discontinuing a Measurement
5. Viewing Previously Recorded Measurements
5.1 Clearing All Values
6. Hypertension Classification Indicator
7. Irregular Heartbeat Detector
8. Error and Low Battery Information
9. Care, Storing, Repair and Recycling
TH3390_RX813_RX_IB_ENG_December182018.indd 3 2019-01-02 12:07 PM

10. Troubleshooting
11. Lifetime Guarantee
12. Technical Specifications
1. Introduction
Thank you for purchasing the Rexall Automatic Wrist Blood Pressure Monitor.
Designed for convenient and easy operation, this device provides a simple, yet
accurate method to measure your 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.
1.1 Features
This device uses oscillometric technology to measure the arterial blood pressure
TH3390_RX813_RX_IB_ENG_December182018.indd 4 2019-01-02 12:07 PM

and pulse rate. The cuff is wrapped around the wrist and is automatically inflated
by the air pump. The sensor in the device senses weak fluctuation of the pressure
in the cuff produced by extension and contraction of the artery of the wrist in
response to each heartbeat. The amplitude of the pressure waves is measured,
converted to millimeters of the mercury column, and is shown on the display.
• Memory Features 1 user, 90 blood pressure readings with time and date
• Hypertension Classification Indicator displays the range between
which your blood pressure values lie, according to the WHO (World Health
Organization).
• Averages last 3 readings
• Time and date
• Detects irregular heartbeat
Before using this device, read this instruction manual carefully and keep it in a
safe place.
1.2 Important Information
Refer to the following sections to learn about important safety instructions and
TH3390_RX813_RX_IB_ENG_December182018.indd 5 2019-01-02 12:07 PM

how to take care of the Rexall Automatic 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.
• 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.
TH3390_RX813_RX_IB_ENG_December182018.indd 6 2019-01-02 12:07 PM

• 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.
• Morning Hypertension (>135/85 mmHg): 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.
• 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.
• Your blood pressure increases or 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
TH3390_RX813_RX_IB_ENG_December182018.indd 7 2019-01-02 12:07 PM

- When it is cold
- Within two hours after meals
- After drinking tea, coffee, or other caffeinated drinks
- After smoking tobacco
- When your bladder is full
Blood pressure is lower than normal:
- After consuming alcohol
- After taking a bath
• 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.
• Take care while handling the batteries in the device. Incorrect usage may
cause battery fluid leakage. To prevent such accidents, refer to the following
instructions:
- Insert batteries with the correct polarity.
- Turn offpowerafteruse.Removeandstorethebatteriesifyou arenotplanning
TH3390_RX813_RX_IB_ENG_December182018.indd 8 2019-01-02 12:07 PM

to use the device for an extended period of time.
- Do not mix different types, brands, or size of batteries. This may cause
damage to the product.
- Do not mix old and new batteries.
- Remove batteries and dispose of them according to the proper regulations in
your area.
- Do not disassemble batteries or expose them to heat or fire.
- Do not short-circuit the batteries.
- Do not use rechargeable batteries.
1.2B Care of the Device
For prolonged life of your blood pressure monitor, note the following instructions:
• Do not drop or bang the unit. Prevent sudden jerks, jars, or shocks to the device
to prevent damage.
• Do not insert any foreign objects in any device openings or vents.
• Do not disassemble the unit.
• If the unit has been stored at very low or freezing temperatures, allow to reach
room temperature before using it.
TH3390_RX813_RX_IB_ENG_December182018.indd 9 2019-01-02 12:07 PM

• Do not store the unit in direct sunlight, high humidity, or in places with a lot of dust.
• Clean the device with a soft dry cloth. Do not use gasoline, thinner or similar
solvents. Carefully remove spots on the cuff with a damp cloth and soap. Do not
wash the cuff.
• Do not use the device if you think it is damaged or if anything appears unusual.
• Ensure that children do not use this device unsupervised; some parts are small
enough to be swallowed.
• Using the unit in the immediate vicinity of mobile phones, microwave
appliances or other devices with strong electromagnetic fields may result in
impaired functioning.
• Do not use this device close to strong electromagnetic fields, such as mobile
telephones or radio installations. Keep a distance from such devices when
using this unit.
1.2C Comparing Readings to Other Blood Pressure Devices
Many questions arise when two blood pressure devices are compared in
an effort to check accuracy. An accurate comparison requires repeatable
measurements under the same conditions, and significant time is required to
TH3390_RX813_RX_IB_ENG_December182018.indd 10 2019-01-02 12:07 PM

reduce naturally occurring blood pressure variability during the test. For proper
comparisons, the subject should be seated comfortably with feet flat on the floor,
and have rested for 5 minutes before the first reading to allow blood pressure
levels to stabilize. The patients back, elbow and forearm should be supported,
and the middle of the cuff should be at the level of the right atrium. There
should be no talking or moving during the measurement and if comparing to an
aneroid gauge or mercury column, observers should avoid parallax and be careful
not to round measurements.
The most accurate way to compare devices is to take two readings at the same
time. However most people and doctor’s offices do not have the equipment
necessary to measure blood pressure from two devices simultaneously. To
take sequential measurements properly requires a pair of initial measurements
to determine the subjects blood pressure level: first with the reference
equipment, followed by 60 seconds, then with the monitor-under-test. The
actual accuracy test requires three pairs of measurements with 60 seconds
between measurements. These measurements are averaged and a comparison
can be made. Since most people tend to relax and their blood pressure falls
TH3390_RX813_RX_IB_ENG_December182018.indd 11 2019-01-02 12:07 PM

with subsequent measurements, following this protocol reduces these natural
changes in BP levels. The standard technical error of both consumer and
professional devices is normally ±3 mmHg, so a discrepancy of
6 mmHg is acceptable even when the devices are working within their
specifications.
Any comparisons without following the procedures described above will not yield
reliable results. In addition, to do an accuracy test properly the reference device
must also be tested to a known reference to confirm its accuracy, prior to being
used as the reference for comparisons.
1.2D Calibration
Digital blood pressure monitors do not require recalibration. If the unit turns on
and does not display an error code, the product is working properly. In extremely
rare cases, the cuff may have developed a pin-hole leak, or the gasket where
the cuff connector enters the monitor may not have a proper seal; both of these
leaking air issues will potentially cause errors in accuracy, but otherwise the
product will work accurately without drifting out of calibration.
TH3390_RX813_RX_IB_ENG_December182018.indd 12 2019-01-02 12:07 PM

2. About Blood Pressure
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.
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
TH3390_RX813_RX_IB_ENG_December182018.indd 13 2019-01-02 12:07 PM

deficient supply of blood to 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 measuring at home and you have rested, the
diastolic pressure is above 85 mmHg or the systolic blood pressure is over 135
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.
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.
TH3390_RX813_RX_IB_ENG_December182018.indd 14 2019-01-02 12:07 PM

Systolic Diastolic Comment
Below 120 Less than
80 This range is considered “Normal” and ideal
120 - 139 80 – 89
This range is considered “Pre-
hypertension”: Discuss with your health
care professional. Lifestyle modifications
maybe required to avoid advancing into
Hypertension.
140 – 159 90 - 99
This is in the hypertension range.
Discuss with your health care professional.
Medication(s) and lifestyle modifications are
typical treatments.
TH3390_RX813_RX_IB_ENG_December182018.indd 15 2019-01-02 12:07 PM

160 and
higher 100 +
Discuss with your medical professional,
medication(s) and lifestyle modifications are
necessary to control your hypertension
Adopted From: Understanding and Managing your blood pressure;
Hypertension Canada.
Note: A diagnosis of high blood pressure must be confirmed with a
medical professional. A doctor should evaluate any unusual blood
pressure readings. Additionally, lower targets may be appropriate for
some populations such as African-Americans, the elderly, or patients with
underlying issues such as diabetes mellitus or chronic kidney disease.
Important for Canadians:
* Hypertension measured at home ≥135/85
* Hypertension measured at a physician’s office ≥140/90
* Hypertension measured at a physician’s office for a diabetic patient ≥130/80
TH3390_RX813_RX_IB_ENG_December182018.indd 16 2019-01-02 12:07 PM

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
40
50
60
70
80
90
100
110
120
130
140
150
160
170
8.00 10.00 12.00
Typical 24 - Hours Rhythm
14.00 16.00 18.00 20.00 22.00 24.00 2.00 4.00 6.00 8.00
systolic blood pressure
diastolic blood pressure
TH3390_RX813_RX_IB_ENG_December182018.indd 17 2019-01-02 12:07 PM

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, this is known as “White
Coat Hypertension”.
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.
TH3390_RX813_RX_IB_ENG_December182018.indd 18 2019-01-02 12:07 PM

3. Getting Started
3.1 About the Device
1.
2.
5.
4.
3.
6. 7.
1 - LCD
2 - Battery compartment
3 - Wrist cuff
4 - On/Off button
5 - Memory button
6 - Batteries
7 - Case
TH3390_RX813_RX_IB_ENG_December182018.indd 19 2019-01-02 12:07 PM

3.2 About the LCD Screen
The LCD screen displays the systolic and diastolic blood pressure measurements
along with your heart rate. It also displays previously recorded measurements and
the date and time, when the appropriate button is pressed.
1 - Time/Date
2 - Systolic Blood Pressure (mmHg)
3 - Diastolic Blood Pressure (mmHg)
4 - Pulse Rate (beats/min)
5 - Hypertension Classification Indicator
6 - Memory
7 - Irregular Heartbeat Icon
3.3 Inserting the Batteries
Follow these steps to insert the two “AAA” batteries in the device.
1. Open the battery compartment cover in the direction shown.
2. Insert the two “AAA” batteries with the correct polarity as
indicated.
3. Replace the battery compartment cover.
2
3
4
6
5
7
1
TH3390_RX813_RX_IB_ENG_December182018.indd 20 2019-01-02 12:07 PM