Square prevention
Apr 20, 2022
Preventive
Herded block is a blindly puncture, so it is required to be familiar with the spinal tube anatomy, and the operation should be light and calm, and it should be carefully selected, abandoned uncomfortable puncture needles and excessive catheters. For those who have received epidural blocks, there is a difficulty of puncture in the epidural outer gap, there is no need to repeatedly puncture to avoid the end of the hard film. The elderly, the end of the child is higher than that of young years, so it is especially careful when puncture. Once the epidural, it is best to change other anesthesia, such as verb or nerve block. The puncture point is below the waist, the surgical area is in the lower abdomen, the lower extremities or the anus will be cautiously implemented.
Test dose application
Emphasize that the injection of the test dose is injected before the total number of local anesthetics, observed that there is no spinal performance in 5 ~ 10 minutes. If the mass is changed, it should be injected again into the test dose again. The first test dose should not be greater than 3 ~ 5ml. If the patient occurs in anesthesia, it may cause the catheter to be displaced and pierced into the subaraculous chamber. There is a normal stage sexy block when the epidural block is started, and it is daily injection to the whole spinal hemp, and the catheter is pulled out of the cerebrospinal fluid, indicating that the catheter will also wear the hard film into the subaraceine. Conditional difference
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