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EN-67
ScanWatch
v1.0 | August, 2020
Tracking my heart arrhythmia
What are the signs of Atrial Fibrillation (AFib)?
Your ScanWatch can detected signs of Atrial Fibrillation (AFib).
What is AFib?
Atrial fibrillation is an arrhythmia, an anomaly of the electrical activity of your
heart. It is the most common cardiac arrhythmia and is one of the leading causes
of stroke, heart failure, and cardiovascular morbidity in the world. Refer to
“Frequently asked questions about Atrial Fibrillation (AFib)” on page64 for
more information.
How are signs of AFib detected?
ScanWatch can detect signs of AFib when recording an ECG, but it can also
check for signs of AFib throughout the day and night.
ScanWatch uses a sensor called PPG (photoplethysmography) that emits green
light and measures its reflections on the blood vessels in the wrist. When the
blood flows, the reflection of light changes.
An exclusive algorithm analyzes the signal. If your heart rate is atypical (low or
high), or if an irregular rhythm is detected, you will receive a notification.
When is AFib detected?
ScanWatch regularly scans your heart, during the day and the night. This
feature can be activated or deactivated. You can also activate or deactivate the
notifications, still read the information, and find your irregular heartbeat episodes
in the Health Mate app.
What should you do when signs of AFib are detected?
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