Auscultation devices are tools used by healthcare professionals to listen to internal sounds of a patient's body, primarily the heart and lungs. The most common auscultation device is the stethoscope, which amplifies sounds, allowing doctors to detect abnormalities such as heart murmurs or lung infections. These devices can vary in design, including electronic stethoscopes that provide enhanced sound quality and visual displays. Auscultation is a critical part of physical examinations, helping clinicians assess a patient's health and make informed decisions about further testing or treatment.