Large U.S. corporations also play a major role on the global stage, with more than a fifth of companies on the Fortune Global 500 coming from the United States. Even though the services sector is the main engine of the economy, the U.S. also has an important manufacturing base, which represents roughly 15% of output.
A: Lidocaine is an anesthetic or numbing agent when used topically or injected in the spinal column, and it is an antiarrhythmic (helps with irregular heart beats) when given intravenously. When it is used topically on the skin, it works by inhibiting the nerve impulses that pass along pain signals to the brain.
Lidocaine can also numb an area of the body during surgery or stitch a bad cut. Lidocaine is a local anesthetic, meaning that it has a numbing effect on the injection area. It treats severe joint pain caused by different types of arthritis, including osteoarthritis. To do this, your doctor will inject a dose of lidocaine directly into the joint affected by arthritis. In addition to treating joint pain, lidocaine treats irregular heartbeats and seizures that are resistant to other treatments. Lidocaine can also numb an area of the body during surgery or stitch a bad cut.