Potassium is an important mineral in the body responsible for heart health. Potassium is also important in maintaining blood pressure, water balance, muscle control and nerve function. People such as athletes or those engaging in high physical activity on a daily basis need to consume enough potassium in their diets to prevent complications in body function. According to the Palo Alto Medical Foundation, foods high in potassium, such as potatoes or bananas may supply enough potassium to replace that lost through up to two hours of vigorous exercise or physical labor.
Cardiac Arrhythmias
Low levels of potassium in the body (known as hypokalemia) can result in an irregular heartbeat. The heart rate in such cases can accelerate or slow, a condition known as an arrhythmia. Palpitations and rhythm abnormalities are common.
Nerve Dysfunction
Imbalances of potassium in the blood may interfere or interrupt normal nerve impulses and function. Such conditions can lead to muscle weakness. Cramps are common in muscles in the arms and legs.
Thirst
Imbalances of sodium (salt) and potassium in the body may lead to periods of excessive thirst and water retention. Kidney function is often compromised as the kidneys attempt to deal with either dehydration or excessive water retention, straining them and the urinary system.
Confusion
Inadequate electrolyte imbalances caused by low levels of potassium may also cause interrupted brain processing functions, leading to confusion, lethargy and slowed thinking skills.
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