Studies show that patients with preexisting sensory or motor deficits may be more likely to develop new deficits following a block than patients without preexisting deficits. A thorough physical exam is prudent as well to determine preexisting sensory or motor deficits in the distribution of the block. Taking a detailed medical history is necessary to determine conditions like coagulopathy or respiratory compromise that may impact the decision to perform a block. A standard epidural kit can often be utilized.Ī well-versed medical professional that is highly familiar and experienced with the type of block being performed should be performing the specific injection. Continuous catheter: numerous kits available, which usually contain a needle and catheter.Ultrasound guidance: portable ultrasound machines with both high and low-frequency probes that can identify superficial and deeper nerves.A wire runs between the needle and an electrode and allows the electrical pulse to be transmitted to stimulate the nerve. The needle has specific tubing attached to a syringe that allows for aspiration and injection of a local anesthetic.
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