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Found 2 results

  1. Hello! Would any of your meditech users care to share some of your rules and calculations? Meditech's knowledge base is sometimes lacking in what you need to build these things. A lot of the keywords have no explanation of how they're formatted when used. I'll start out with one I came up with. Filling in that patient history was checked when the specimen is received. I built a t-type test called PT HISTORY. It's default result code is "." without the quotes. This result code's text is "No History\FV". The other result codes are AN, AP, ABN, etc. The text for these result codes is "History On File\FV". The "\FV" files and verifies the result in case anyone didn't know that. In the BB calculation dictionary the trigger test and the target test are both PT HISTORY. I assigned the label "B" to this in the calculation. The calculation is as follows. ;The system will check for patient blood type history. IF{B=. [f bsp bt]}; In English it says: If B (PT HISTORY) is "." then fill in the blood type from the patient history. In this case if there is nothing in patient history then the "." remains and the result is No History. If there is a type, then that result is put in as the result and displayed as History On File. This helpful for anyone?
  2. How many transfusion services multiply by the density of blood products to determine the volumes, particularly for aliquots (but also if you calculate actual volumes of units)? The Tech Manual states the specific gravity of RBCs as 1.100 but is that the packed red cell mass, not an adsol unit of RBCs? It also states the s.g. of apheresis RBCs in additive solution as 1.06. So what is the density of an adsol unit that is not apheresis? Can we assume it is the same? How close to 1.00 before it isn't worth doing the calculations? The TM lists the specific gravity of apheresis plts as 1.03. Is that close enough to 1.00 that we need not calculate for plts? There is some inherent slop in the calculations anyway because we don't measure the exact weight of that individual emply bag with however many segments and labels are attached. When we make aliquots we add an extra 5 ml of product for waste in the infusion tubing. At what point is it important to calculate and when can we assume that "weight equals volume" is close enough?
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