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galvania last won the day on July 4

galvania had the most liked content!

About galvania

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    Seasoned poster
  • Birthday 05/09/1955

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    Jazz, birdwatching, gym
  • Location
    Castelletto di Vernasca, Italy
  • Occupation
    ex teacher/BMS in transfusion science. Now retired

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  1. galvania


    oh my goodness. You poor thing. You have really been through it. I admire you for your strength. You are very brave
  2. I would just be a bit suspicious if say there was a + reaction with A1 cells and 4+ with B cells in an apparent group O - or vice versa; or very weak reactions in a young healthy adult.....a bit of common sense required, that's all
  3. or mum is a surrogate or baby is the result of an ivf with external donors
  4. to be fair techniques in the early 80s were not what they are today, neither for blood grouping nor for antibody screening/identification. Methods were not standardised. The number of drops of serum (almost always serum) to the amount of red cells could vary from 2:1 to 8:1. The concentration of the red cells could be anything from about 2% to almost 10% - and often pooled. And pooling was one of the main reason for checking under the microscope. Incubation time varied too - often depending on the length of your coffee break or lunch break. LISS was in its infancy. Washing was done by ha
  5. true. Should have read that more carefully. Well the answer is still - yes and no. If you are using monoclonal reagents, and assuming the anti-D has the same formula as the other reagents (barring the actual antibody obviously) then most results will have at least one negative well that can serve as a control in any case. You could just then put up a neg control on the AB+ results. But the majority of cards/cassettes do have a control on them anyway. If there's only anti-A-B-D, that's only supposed to check a group that is known i.e. has already had at least one full group with a con
  6. well yes and no. It would depend what the test was. The typical test not offering controls would be an antibody screen. As most of these are negative or positive with only some of the cells, this acts as its own control. Where you would need to perform a 'negative' control is if all screening cells are positive. This would be done by carrying out an auto-control with the panel. If that is positive too, however, you still won't know, in the absence of any other information, whether the patient has a true auto-antibody or whether the patient is reacting because of the potentiator in the AH
  7. of course it could just simply be that the hospital lab made an error grouping it as a false positive. As this is a question designed for new students, I doubt whether the level of scientific understanding required is very high at this stage. It would depend what theory the students had done up until the point that the question was set
  8. Three to four a week out of how many tests? Where are you getting your cells from? Is the reaction strength the same with all cells? Are you working manually or with an automat? Have you noticed a correlation with these patients' ABO groups? Also do you have any lookback as to whether the babies of these women were jaundiced or anaemic post delivery? Or were they OK?
  9. That's awful Frenchie. So much for all the talk about our 'valued public service workers'.
  10. you pretty much have to be retired to have used it routinely. Like me. And Malcolm
  11. Do keep us updated. I am sure we are all looking forward to news of a healthy baby
  12. Can I just point out here that no one serological test, or even combination of tests will detect all weak / variant Ds . And that includes women who test D+ but actually have a partial D and may make anti-D antibodies. It is SO important to know your reagents, and know what your anti-D reagents will and will not detect
  13. Sorry all, I replied on the other channel before reading all the above. ……...
  14. First of all, please do not worry. IF you do have anti-D antibodies, and they are real antibodies, this is only one of a number of tests that the doctors will do during your pregnancy to make sure everything is going OK with your baby. What they should do is recheck your blood for anti-D levels now and again in about 4 weeks' time to see if there is any change. It will show anti-D because of the Rhogam, but the important thing is to see whether the level increases significantly over time. Also, even now, if it is very high (VERY unlikely) then that would indicate it's real anti-D as
  15. Apologies for not answering earlier. No, I did not mean 12 cells in the screening cell panel. I meant putting up 12 different antibody screens (12 different patients) each using a three-cell screening panel. Putting up = testing
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