BCAA consists of the amino acids leucine, isoleucine and valine. The reason these three amino acids are called BCAA is because they branch off from the other five essential amino acids, (there are a total of eight), to create their own chain. Amino acids are responsible for the formation of proteins in the body.
An aneurysm is an abnormal bulging out or ballooning of a portion of the artery, usually due to weakness of the arterial wall. The aneurysm may enlarge and rupture, often with disastrous consequences.
1 doctor agreed: No : Ivs (which is an abbreviation for intravenous have nothing to do with your pulse (which is the pulsation of an artery). Your radial artery is often visible as a pulsation on the inner aspect of your wrist just above your thumb. What you probably see is bulging of the vein. If it doesn't hurt, it's probably normal. (it will collapse if you raise you hand above the level of your heart).