Upper Marlboro, officially the Town of Upper Marlboro, is the seat of Prince George's County, Maryland in the United States.
According to the American Heart Association, potassium imbalances are the most common electrolyte-associated cardiac arrhythmias. Potassium plays a role in both nerve conduction and the heartâs ability to send an electrical impulse. Low potassium levels can cause relatively stable arrhythmias, while high potassium levels can quickly lead to lethal arrhythmias. Sodium, magnesium and calcium imbalances also place the heart at risk for arrhythmias.
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.