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BBGuy Blog

The BBGuy Essentials Blog contains monthly posts about news and educational items from Joe Chaffin.


The BBGuy Essentials Podcast has biweekly interviews with leaders, and “Ask BBGuy” Q&A’s.


Numerous teaching videos ranging from ten minutes to over an hour from Joe Chaffin.


Review questions covering multiple areas of blood banking and transfusion medicine (many questions currently under revision).


Blood Bank terminology can be confusing! Check the BBGuy Glossary for explanations and definitions.

Technical Q&A

Technical FAQs and discussions from Dr. Chaffin and colleagues (Coming soon!).

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Joe Chaffin is Live! First BBGuy "5 in 10" Q&A session!

Posted by Blood Bank Guy on Friday, November 18, 2016

BBGE 022: Nancy Heddle on Age of Blood

Professor Nancy Heddle from McMaster University in Hamilton, ON joins me for a fascinating discussion on her recently published prospective,...
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BBGE 021: Dr. Garrett Booth on TACO

Dr. Garrett Booth from Vanderbilt University joins Dr. Chaffin to discuss Transfusion-Associated Circulatory Overload (TACO). Despite having...
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BBGE 020: Dr. Jeff McCullough on Pathogen Inactivation

Dr. Jeff McCullough from the University of Minnesota joins Dr. Chaffin to discuss Pathogen Inactivation.Most everyone would agree that blood...
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BBGE 019: Dr. Joe Chaffin on Cryoprecipitate

Dr. Chaffin and co-host Dr. Heidi Shafi discuss "Five Essentials of Cryoprecipitate." The blood product cryoprecipitate, prepared by slow-thawing...
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BBGE 018: Dr. Heidi Shafi on Transfusion Premedication

Dr. Heidi Shafi from Kaiser Permanente Los Angeles joins Dr. Chaffin to discuss premedication before transfusion. Many, many clinicians routinely...
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The Essentials: Granulocytes

If you’ve been anywhere near a transfusion service, or ordered blood components from one, you know that granulocyte products are special. Along with...
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So You Want to be a “G-Wiz?”

One of the most frequently asked questions I get at lectures and from hospital transfusion services goes something like this: "What the HECK (or...
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Help! I’ve Acquired a B!

Everyone hates ABO discrepancies! OK, I'll admit there are a few people out there that carry some sort of odd immunohematological nerd mutation that...
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Rhapsody in Rh! Explaining Rh Terminology

The Rh blood group system is spectacularly complex, while at the same time enormously important. Beginners trying to understand the system are often...
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BBGE 006: Ask BBGuy Mailbag 1

Dr. Chaffin opens the "Ask the BBGuy" mailbag to discuss D variants, Liquid Plasma, transfusion choices with warm autoantibodies, and directed donor...
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