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.
High Potassium Levels. Excess potassium in your system can also lead to health complications. Called hyperkalemia, high potassium levels usually do not result in obvious symptoms, although, in some cases, you may experience nausea or a slowed, irregular pulse and heart rate.s an electrolyte, potassium helps conduct electricity in your body. In particular, it helps with proper heart functioning, because poor potassium levels -- either too much or too little -- can dangerously affect your health, including potentially causing a weak heart rate.