Eczema is a common skin problem that is also sometimes called atopic dermatitis. It usually affects babies and young children, but adults can develop it, too. This inflammatory skin condition is often believed to be an allergic reaction, but the cause is unknown.
The potential of each line of a three-phase system is displaced from the other two by 120 electrical degrees. The sequence, or order, in which the potential of each line reachâ¦es its peak value is termed the 'phase sequence' of the system.
In the R&K standard, NREM sleep was divided into four stages, with slow-wave sleep comprising stages 3 and 4. In stage 3, delta waves made up less than 50% of the total wave patterns, while they made up more than 50% in stage 4. Furthermore, REM sleep was sometimes referred to as stage 5. In 2004, the AASM commissioned the AASM Visual Scoring Task Force to review the R&K scoring system.