Lester is one of the British surname names that were popular in the US in the early decades of the twentieth century: it was in the Top 100 through 1931, reaching a high of Number 52 in 1906.ester is one of the British surname names that were popular in the US in the early decades of the twentieth century: it was in the Top 100 through 1931, reaching a high of Number 52 in 1906.
Normal blood levels of potassium are critical for maintaining normal heart electrical rhythm. Both low blood potassium levels (hypokalemia) and high blood potassium levels (hyperkalemia) can lead to abnormal heart rhythms. The most important clinical effect of hyperkalemia is related to electrical rhythm of the heart.
The parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions. The effects of the parasympathetic nervous system can be summarized by the phrase ' rest and digest '.