Magnesium and potassium, along with sodium and calcium, are examples of electrolytes that are present in the blood. Electrolytes help trigger and regulate electrical impulses in the heart and low levels of magnesium and potassium can lead to an electrolyte imbalance, which can contribute to arrhythmia.
Passing hard stools is usually as a result of constipation or the infrequent movement of the bowels. Most healthy people have at least three bowel movements per week, according to MedlinePlus. If you are unable to have a bowel movement or are having difficulty passing stool, contact your doctor.
Constipation (child) Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more. Constipation (adult) Constipation is having less than three bowel movements a week, causing hard stools, abdominal pain and more. Gas pains Belching or passing gas clears gas from the digestive tract, but when gas is stuck it causes abdominal pain.