Type and Cross-Match
Blood typing is the process of determining the blood type and rH factor of a
sample of blood.
Cross-matching involves finding the best donor for a patient prior to blood
transfusion. In addition to the blood type and rH, minor blood groups are also
evaluated. Rarely is there a perfect "match" but usually the match is
close enough to preclude any clinically-significant transfusion reactions.
In an emergency, O Negative blood (the "universal donor") can be
given without much risk of an immediate reaction. If O Negative blood is not
available, O Positive can safely be given to men. Women receiving O Positive
blood (if they are O negative) may develop antibodies against the rH factor,
which could prove dangerous to the fetus during a future pregnancy. This must be
weighed against the need for transfusion.
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Approved for public release;
Distribution is unlimited.
The listing of any non-Federal product in this CD is not an endorsement of the
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Bureau of Medicine and Surgery
Department of the Navy
2300 E Street NW
Washington, D.C
20372-5300 |
Operational Medicine
Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMED P-5139
January 1, 2001 |
United States Special Operations
Command
7701 Tampa Point Blvd.
MacDill AFB, Florida
33621-5323 |
*This web version is provided by
The Brookside Associates Medical Education Division. It contains
original contents from the official US Navy NAVMED P-5139, but has been
reformatted for web access and includes advertising and links that were not
present in the original version. This web version has not been approved by the
Department of the Navy or the Department of Defense. The presence of any
advertising on these pages does not constitute an endorsement of that product or
service by either the US Department of Defense or the Brookside Associates. The
Brookside Associates is a private organization, not affiliated with the United
States Department of Defense.
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Operational Medicine 2001
Contents
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