| Developers: | Cellule Studio |
| Date of the premiere of the system: | October 2022 |
| Branches: | Pharmaceuticals, Medicine, Healthcare |
2022: Mobile App Exit
In October 2022, it became known about the launch of a mobile application that turns a smartphone into an electronic stethoscope to assess the performance of the heart. The program was called Echoes. On October 10, 2022, a study led by King's College London and the University of Maastricht was published, during which it was proved that an application developed to use smartphones as electronic stethoscopes provides high-quality heart rate recording in users from different segments of the population, which doctors can use to remotely monitor the progression of heart disease.
Developed jointly with cardiac patients of the British Heart Foundation (BHF) and the Evelyn Children's Heart Organization (ECHO) and design studio specialists Cellule , the Echoes application uses a standard smartphone microphone for recording heart beats - the user presses the smartphone to his chest, presses the record button, and then saves.
After the user has saved the audio recording of his heart beats, it goes to a database in which researchers study the sound quality, as well as anonymous health indicators and try to determine clinical markers of heart events.
Since its launch in May 2021, Echoes has collected more than 100,000 audio recordings, and the results of the latest study of 7,500 recordings show that sound quality does not depend on the smartphone model, gender, or body mass index (BMI), but the team found that the percentage of successful recordings decreases with the age of users.
 | This study confirms that mobile technology is a viable tool for recording heart beats, so that in the future, patients and doctors can diagnose the presence or progression of heart disease while at home, said lead researcher Professor Pablo Lamata. |  |
| | This study answers an important question about the large-scale use of a smartphone microphone as a stethoscope, "said co-author of the scientific work Hongsing Luo from Maastricht University. The result showed that a non-medic user is able to record heart sounds in the proper quality for subsequent processing of recordings. We may be able to identify additional characteristics for diagnostic and monitoring purposes in further clinical studies.[1][2] | |
Notes
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