Hektoen International

A Journal of Medical Humanities

Tag: mitral valve calcification

  • René Théophile Hyacinthe Laënnec and the stethoscope

    Philip R. LiebsonChicago, Illinois, United States What constitutes a high-tech instrument? Obviously, in the field of medicine, one that has been developed to improve evaluation of a given condition and lead to a more specific diagnosis. In the early 19th century, there was little that could be considered high-tech in medicine in regard to instrumentation.…