Vertical ridges can also be caused by nail injury and certain diseases, including rheumatoid arthritis, according to Rich. If, instead of a series of ridges, there's a single vertical streak, cautions Krant, this could be a sign of a tumor growing at the root of the nail.
Transmyocardial laser revascularization (TMR) is a procedure used to treat inoperable heart disease in people with persistent angina that isn't relieved by any other method.ntroduction [edit]. Most people with coronary artery disease are treated with angioplasty and stenting or coronary bypass surgery and medications to improve blood flow to the heart muscle. The objective of each of these approaches is to increase blood flow through the coronary arteries to the heart.
In the meantime, this information will help the newcomer understand the basic concept. SWR is the common abbreviation for Standing Wave Ratio. It may, in some circles, be referred to as VSWR (voltage standing wave ratio). Never the less it is the same. For the most part the term has been reduced to SWR since the calculation can involve either voltage or current.