Release date: 2016-08-31
Use of existing hardware, smart phones can be used to detect atrial fibrillation, according to research presented today at the 2016 ESC Congress. A low-cost application ( APP ) has been developed to check for atrial fibrillation using the phone's own accelerometer and gyroscope.
Approximately 70 % of strokes caused by atrial fibrillation can be avoided by preemptive drug intervention. However, frequent on / off of atrial fibrillation occurs randomly and is difficult to detect by visiting a doctor. There are electrocardiogram ( ECG ) devices that patients can take home for long-term monitoring but are relatively large and expensive , but they often need to be repaired, or they are awkward to use, and often in continuous contact with the electrodes tend to cause irritation to the skin.
Due to the above limitations, current methods for detecting atrial fibrillation are not feasible for large-scale screening or high-risk groups ( 60 years and older).
Current research tests the ability of smartphones to detect atrial fibrillation without any additional hardware. The study included 16 patients with atrial fibrillation from the heart of Turku. In addition, records from 20 healthy individuals were used as control data to validate the algorithm.
To detect atrial fibrillation, the smartphone was placed on the patient's chest and an accelerometer and gyroscope were used for recording. During the measurement, the patient is required to remain in a prone or supine position.
Using this technique, the researchers detected that the sensitivity and specificity of atrial fibrillation exceeded 95 %.
Mr. Koivisto concluded: “This is a low-cost, non-invasive method of detecting atrial fibrillation. People can complete the test without the help of any medical staff. Given the widespread use of smartphones, it has been globally The potential for large populations to use. In the future, you can create secure cloud services to store and analyze large data."
Source: Noble
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