Digital stethoscopes can diagnose heart disease earlier. A revolutionary digital stethoscope can make it easier for family doctors to find patients' early signs of heart disease-even if they are not doing heart disease tests. This new device invented by European scientists is based on computer technology and can synchronize the various sounds collected by the stethoscope with the sounds that make up the heartbeat of a person. Subsequently, these sounds can be analyzed using a technique called Independent Component Analysis (ICA), and the final data is presented on the computer in easy-to-understand graphs. This device can provide a visual schematic of the heart beat and show any abnormalities in the heart. In the past, if doctors were not experts in heart disease, they would probably ignore these abnormalities. This stethoscope development project is an international cooperation project jointly led by the University of Porto in Portugal and the Alto Ave Central Hospital in Guimarães. The system was developed by a team at Queen Mary ’s College, University of London, UK, funded by the British Engineering and Natural Sciences Research Council. The digital stethoscope looks similar to a traditional stethoscope in appearance, and can capture four kinds of sounds in succession. Mark Plumbley, who leads the work of Queen Mary University of London, said: "Usually we are doing music analysis, but this work sounds like a very interesting job. We can use some of the same ideas to help." Plumbley added: "Heart disease is still the number one killer in the UK. The work we have done is of great significance to the invention of the digital stethoscope. Before the disease is serious, even when the patient comes to the hospital to see a disease that is not related to heart problems at all, the digital stethoscope can be Help doctors determine heart problems. Early intervention can not only help patients, but also reduce the burden of health care resources. "In addition to being suitable for use in clinics of general practitioners, digital stethoscopes are also very suitable for outpatient clinics, emergency and emergency units, and Other departments of the hospital where the doctor is not a cardiologist. With this latest system, doctors can compare visual charts with the "regular" data generated when patients are standing in front of them, or save the charts for later study, or from other remote doctors via the Internet Get a second opinion on the data.
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