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Discussion on Why did the injection block? | |
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Posted on Sunday, Sep 23, 2001 - 11:01 pm: One of my horses has had an abcess blow out and part of the treatment i am giving her is Penacillin(sp?) injections. I have never personaly given a injection before so i got a friend to watch me and make sure i was doing it right all was going well and i somehow made myself put it into her neck (eugh!!) but when i tried to depress the plunger it would not move!the friend pulled it out and squerted it and did it for me, he said it sometimes happens but what i want to know is why? Did i put it in wrong (90degree) and some flesh blocked it etc...? Also the vet told me to give one shot of 20ml which i felt was way too much for something so thick and found here that the rec is 15ml tops she is not that heavy as she is quite skinny at the moment id say about 420kg tops do you think it would be ok to DrOp her to 15? any good tips for a wimp giving shots will be appreciated!!!!! I never had this hard a time when i pierced ears for a job!! but earings are not 2inchs long!!! thanks |
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Posted on Monday, Sep 24, 2001 - 6:27 am: There are several possibilities Julie.1)Procaine Penicillin is very thick so you may have just underestimated the pressure required. 2)The penicillin, being a suspension, will clump if allowed to stand, maybe you got one of these clumps at the hub. This will happen often when you are pulling it up. 3)Occasionally the needle comes to lie in "tougher" areas than others, like within a fascial plane between two muscles, and so is difficult to push. 4)Sometimes you get a small core of skin in the needle that blocks the needle. The fact your friend did not find any resistance once he removed the syringe suggests number 1 or number 3 but it could be the needle obstruction was relatively easy to clear once the syringe was removed. Concerning volumes per injection recommedations are given in the article and there is other good advice there. DrO |
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Posted on Monday, Sep 24, 2001 - 9:21 pm: Thanks DrO I had better luck lastnight with the injection part but not with the horse stand still part:-)One more question, when you pull back to see if you have hit a vein should it be very hard to pull back if it is not in a vein? I try to pull back but it seems not to move, will it only move if there is blood that can be sucked in? Your probably cringing right now at such a layman doing this, but that's ok, i am too. |
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Posted on Tuesday, Sep 25, 2001 - 7:16 am: If you are in a vein the syringe will flash blood at the hub of the syringe very easily, if fact this flash will often appear before you pull back. If you are not in a vein yes it is difficult to pull back.DrO |
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Posted on Thursday, Sep 27, 2001 - 7:31 pm: HELP! I gave the last shot last night and on checking the wound i noticed maggot eggs! How do i get rid of them properly so i can re wrap it? Would they have gone very deep since it is something that probably started at her sole and channeled to the top of her foot.I hosed the Cr-p out of it last night which got rid of all i could see but they were so small that it would be hard to see if any hung in there . HOW CAN I KILL THEM.. |
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Posted on Friday, Sep 28, 2001 - 1:05 pm: Hmmm, the hose is the best tool I have found. I think daily flushing the c... out of it will be fine. I would not introduce insecticides into the wound but spraying around it might be helpful.DrO |
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