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Blood Bank Guy Podcasts and Podlets are educational videos covering transfusion-related topics.
Available Now:
   What the H? (Bombay) Podcast
   Acquired B Podlet


Download Dr. Chaffin's 2014 blood bank review notes. Check out the topic discussions on the Acquired B Phenotype, massive transfusion, polyagglutination, and anti-G.

A glossary of Transfusion Medicine Terms is available for your reference.


Ask The Experts your questions about blood group antigens, antibodies, and problems.


Test your knowledge in the BBGuy quiz section.


Common questions received from site visitors and attendees at review courses.

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This site is owned and maintained by Joe Chaffin, MD.

The contents herein are protected by copyright and are supplied for the exclusive use of my Internet visitors.

I respect the privacy of everyone who visits this site. I use the e-mail addresses and names sent to me solely to provide assistance to that person. I will never, and I mean NEVER, sell nor reveal your personal information to other parties (and frankly, it makes me sick that anyone would ever do that!).

Podcasts: You are free to make copies of the podcasts on this site for sharing with others, but you cannot modify them for any reason or charge anyone to watch them!

Please note that the general contents of questions sent in via the contact page may be used on the site for educational purposes. I will never reveal your name, patient information, nor the specific facility involved. Questions used in this way may be edited for clarity and/or brevity. By sending in a question, you grant me permission to use your question in this way, without compensation.

The above applies to anything contributed by any of my collaborators on this site, as well.

I welcome your comments. If any issue requires my attention, please contact me and I will respond as quickly as possible.