This smartphone app can detect strokes
Atrial fibrillation -- a common type of abnormal heart rhythm which leads to a stroke -- can now be easily detected with your smartphone using a low-cost application, a recent research has found.
According to the study, published in the journal European Society Of Cardiology, a team of researchers have developed a low-cost app that uses the smartphone's accelerometer and gyroscope to detect atrial fibrillation with existing hardware.
"Atrial fibrillation is a dangerous medical condition present in two per cent of the global population and accounting for up to seven million strokes per year," said lead author Tero Koivisto, a vice-director of the Technology Research Centre (TRC), University of Turku, Finland.
Around 70% of strokes due to atrial fibrillation can be avoided with pre-emptive medication. However, atrial fibrillation often occurs randomly on/off and is difficult to detect by visiting a doctor.
There are relatively large and costly electrocardiogram (ECG) devices that patients can take home for long-term monitoring but they require a patch or wires that are clumsy to use and continuous contact with electrodes tends to irritate the skin.
Due to the above constraints, current methods for detection of atrial fibrillation are infeasible for wide-scale screening of populations or higher risk age groups (60 years and above).
The study included 16 patients with atrial fibrillation in addition with 20 recordings from healthy people who were used as control group data to validate the developed algorithm and tested the ability of a smartphone to detect atrial fibrillation without any add-on hardware.
To detect atrial fibrillation, a smartphone was placed on the chest of the patient, and accelerometer and gyroscope recordings were taken.
Using this technology the investigators detected atrial fibrillation with a sensitivity and specificity of more than 95%.
"We measured the actual motion of the heart via miniature accelerometers and gyroscopes that are already installed in smartphones. No additional hardware is needed and people just need to install an app with the algorithm we developed," Koivisto added.
An individual needs to place the phone on their chest, take an accelerometer and gyroscope measurement, and then use the app to analyse the result.
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According to the study, published in the journal European Society Of Cardiology, a team of researchers have developed a low-cost app that uses the smartphone's accelerometer and gyroscope to detect atrial fibrillation with existing hardware.
"Atrial fibrillation is a dangerous medical condition present in two per cent of the global population and accounting for up to seven million strokes per year," said lead author Tero Koivisto, a vice-director of the Technology Research Centre (TRC), University of Turku, Finland.
Around 70% of strokes due to atrial fibrillation can be avoided with pre-emptive medication. However, atrial fibrillation often occurs randomly on/off and is difficult to detect by visiting a doctor.
There are relatively large and costly electrocardiogram (ECG) devices that patients can take home for long-term monitoring but they require a patch or wires that are clumsy to use and continuous contact with electrodes tends to irritate the skin.
Due to the above constraints, current methods for detection of atrial fibrillation are infeasible for wide-scale screening of populations or higher risk age groups (60 years and above).
The study included 16 patients with atrial fibrillation in addition with 20 recordings from healthy people who were used as control group data to validate the developed algorithm and tested the ability of a smartphone to detect atrial fibrillation without any add-on hardware.
To detect atrial fibrillation, a smartphone was placed on the chest of the patient, and accelerometer and gyroscope recordings were taken.
Using this technology the investigators detected atrial fibrillation with a sensitivity and specificity of more than 95%.
"We measured the actual motion of the heart via miniature accelerometers and gyroscopes that are already installed in smartphones. No additional hardware is needed and people just need to install an app with the algorithm we developed," Koivisto added.
An individual needs to place the phone on their chest, take an accelerometer and gyroscope measurement, and then use the app to analyse the result.
this is only for your
information, kindly take the advice of your doctor for medicines,
exercises and so on.
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Labels: abnormal cardiac rhythm, accelerometer, Atrial fibrillation, detects, gyroscope, smartphone app, stroke
posted by G S Iyer at 11:30 PM
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