National Library of Medicine

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    December 2025
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The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, has been a center of information innovation since its founding in 1836. The world’s largest biomedical library, NLM maintains and makes available a vast print collection and produces electronic information resources on a wide range of topics that are searched billions of times each year by millions of people around the globe. It also supports and conducts research, development, and training in biomedical informatics and health information technology. In addition, the Library coordinates a 6,000-member National Network of Libraries of Medicine that promotes and provides access to health information in communities across the United States. Our collections include:

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The last upload was December 2025.

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Transfusion Of Blood - Is It Too Late?

from National Library of Medicine

  • Brian J. Hunt said:
    Is this Chester A Arthur?
  • National Library of Medicine said:
    Winfield Hancock

French Physician With His Retinue going to Visit His Patients

from National Library of Medicine

  • Brian J. Hunt said:
    Just in case you don’t know, the footman is noted as having a clyster over his shoulder. This is an instrument for giving enemas.

U.S. Naval Hospital, Charleston, SC: Viewing Head X-Rays

from National Library of Medicine

  • voxel123 said:
    the x-ray images are pneumoencephalograms. pneumoencephalography (peg) was a method that allowed for more detailed brain x-rays. the csf was drained from the spinal canal and replaced with air that was forced to travel to the brain (the ventricles) via a special swiveling chair in which the patient had to be strapped in.
    then the head was x-rayed in various position.
    this procedure caused serious headaches and severe vomiting which could last for several days. with the advent of modern imaging techniques such as ct it became obsolete.
    good riddance!

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