2. Training sessions and application of the new device by carers.
Once the auscultation landmarks were identified, the use of the device by the carers was very easy and fast. All carers reported that they found very useful that device showed notification of under-optimal recording and gave advice to improve exam quality reducing environment noise like talking or TV sounds or reduce pressure that may create annoying friction sounds between the digital stethoscope and the skin, likewise on a traditional stethoscope.