Chest auscultation has long been considered a useful part of the physical examination, going back to the time of Hippocrates. However, it did not become a widespread practice until the invention of ...

Make sure that the listening area is quiet, and importantly, do not listen through the patient's clothing. Warm your stethoscope either by carrying it in your pants pocket or by vigorously rubbing it.

In collaboration with Active Signal Technologies, a Small Business Innovation Research partner, the U.S. Army Aeromedical Research Laboratory developed a stethoscope in 2007 that can be used to listen ...