Managing asthma can be difficult for both the physician and the patient. When physicians assess asthma patients in a clinical environment, they listen for wheezing, a primary sign of asthma and an indication of obstructive airflow in the lungs. But when physicians cannot examine patients directly, they must rely on the patients or patients’ parents to describe the wheezing and any other symptoms. This self-reporting of asthma symptoms and current condition is unreliable, particularly when the patient is a child.
Engineers at Respiri have developed technology that asthma patients can use to record and analyze their own breathing. Instead of listening for wheeze sounds, the AirSonea® technology detects wheeze patterns in an image created from recorded breath sounds. Respiri used MATLAB® to develop acoustic respiratory monitoring algorithms, and used MATLAB Coder™ to implement them as a mobile app and cloud-based server software.