Every once in awhile the chain on a chainsaw will bind up and be hard to move, as mine did the other day. Even the engine has to labor to move it. Its not a big deal and very easy to fix. What causes it is small pieces of woodchips and sawdust that get between the drive teeth and the groove (gauge) of the bar.
In this article. An electrophysiology (EP) study is a test that records the electrical activity and the electrical pathways of your heart. This test is used to help determine the cause of your heart rhythm disturbance and the best treatment for you.
Test Overview. The serum protein electrophoresis (SPEP) test measures specific proteins in the blood to help identify some diseases. Proteins are substances made up of smaller building blocks called amino acids. Proteins carry a positive or a negative electrical charge, and they move in fluid when placed in an electrical field.