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ScanWatch
v1.0 | August, 2020
• Cardiac arrest or shock
Important note
• The measurement of SpO2 in the 70-100% range has been clinically validated
on healthy adult volunteers, at rest, against a laboratory co-oximeter.
• ScanWatch is intended for use in adults (18 years in Europe and 21 years in
the US) and with no restrictions on weight. The oximeter is calibrated in the
factory before the sale.
• SpO2 is calculated over a 30-second window (the value is updated every
second).
• You may have more difficulties to obtain a conclusive SpO2 measurement
if you wear a metallic or leather wristband. For best results, we recommend
using the fluoroelastomer wristband provided with ScanWatch.
Frequently asked questions about breathing disturbances
What are breathing disturbances?
Breathing disturbances are referring to interruptions in your sleep patterns.
These disturbances, which impairing the restorativeness of sleep, may also be
associated with conditions such as sleep apnea.
What is the goal of this feature?
ScanWatch detects breathing disturbances and provides insights to indicate
potential signs of sleep apnea. By embedding this new feature, ScanWatch gives
access to new preventive health information. And thanks to its self-assessment
contents, articles on breathing disorders, and actionable lifestyle tips, Withings
empowers users who experience breathing disturbances, to reduce them, or be
informed on how they can impact your health.
How does ScanWatch detect breathing disturbances?
ScanWatch is able to detect the presence of breathing disturbances episodes
that impact health through a motion sensor, an SpO2 sensor, an HR sensor,
which emits and absorbs a light wave passing through blood vessels. With the
Respiratory Scan feature, the watch can measure oxygen saturation levels all
night long to identify when levels are inadequate due to breathing disturbances
such as sleep apnea.
Apart from sleep apnea detection, what is SpO2 for?
Oxygen saturation (SpO2) is a measurement of how much oxygen your blood is
carrying as a percentage of the maximum it could carry. For a healthy individual,
normal SpO2 should be between 90% and 100%.
Normally, if a person has a SpO2 below 90, they run the risk of developing
hypoxemia. Symptoms may include shortness of breath, especially during brief
exercise or even while you are at rest.
Summary of Contents for ScanWatch Series
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