Do you need to see medical images that will help you understand HCA? Try MedPix®. A product of the National Library of Medicine (and your tax dollars at work) this database has over 54,000 images from 13,000 patients. You can register with social media and an unlisted institution to register.
Other medical images and videos are available via Access Medicine, a database available at http://libguides.twu.edu/az.php?a=a, the Databases A-Z start page.
(Visual from Openclipart dot org)
The National Institutes of Health, a branch of the US government, has videos
Their social media sources can be explored at
