The enrolled population will include adults with a history of heart and lung complications. The enhanced sound quality of the electronic stethoscope and its non-inferiority to the traditional/conventional 3M Littmann stethoscope will be assessed through auscultation examination of every patient by a health professional (consultant, medical resident, and house officer) with both the electronic stethoscope and 3M Littmann/traditional/conventional stethoscope
Assessing non-inferiority of a newly developed electronic stethoscope NoaScope in comparison with the conventional 3M Littmann stethoscope