The injection method is simple to operate and easy to grasp. However, some things that must be taken care of during injection are neglected, and it is easy to cause some undue accidents. For example, due to the sterility of the syringe and the injection site or improper selection of the site, animal indiscriminate bites, contaminated urine, etc. cause inflammation and purulent injection site. If inflammation occurs, it can be treated by inflammation and purulent wounds. If you do not pay attention to the stable protection of the affected animal before the injection, and then proceed to operate, the result is livestock turbulence and muscle contraction, or uneven force when acupuncture, or the length of the needle penetrated into the tissue, the occurrence of needle bending and breaking, more common in Intramuscular injection. If you find bent needles before injection, you can change another needle and use it again. Do not straighten the bent needle and use it again. If the needle breaks, it is found that the needle still stays outside the skin. It can press down on the surrounding skin. When the needle is exposed, the needle is fixed and the device can be removed. If the tip of the needle does not reach the skin deeply, local anesthesia should be performed and the incision should be made. In addition, when the intravenous injection, needle penetration is not accurate or due to animal turmoil, easy to inject the drug solution in the blood vessels outside the skin or muscle, the skin muscles will immediately swollen, especially chloral hydrate, calcium chloride and high Leaked saline and other liquids with strong irritating properties leak out of blood vessels, which can easily cause tissue inflammation and necrosis. At this point should be promptly sucked back into the blood vessels outside the part of the liquid. If calcium chloride leaks into the skin, it can promptly inject 10% sodium thiosulfate or 10% sodium sulphate into 10-20 ml to make it become non-irritating calcium sulfate and sodium chloride. When there is too much fluid leaking under the skin, it should be cut open as soon as possible, and drained with hypertonic solution. It can also be heated locally with 5% magnesium sulfate or hot vinegar, 4 to 6 times a day, every half an hour, to make it circulate vigorously. , relieve pain and promote absorption.
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