conditions that cause low potassium level, low pulse and an arrhythmia

Your other symptoms are caused by the low potassium level's.

Usually the symptoms of low potassium are mild. At times they can be vague. Sometimes you may have more than one symptom involving the gastrointestinal (GI) tract, kidneys, muscles, heart, and nerves.

Weakness, tiredness, or cramping in arm or leg muscles, sometimes severe enough to cause inability to move arms or legs due to weakness (much like a paralysis)

Tingling or numbness

Nausea or vomiting

Abdominal cramping, bloating

Constipation

Palpitations (feeling your heart beat irregularly)

Passing large amounts of urine or feeling very thirsty most of the time

Fainting due to low blood pressure

Abnormal psychological behavior (depression, psychosis, delirium), confusion, or seeing or hearing things (hallucinations)


Low potassium can occur for many reasons. Use of water pills (diuretic therapy), diarrhea, and chronic laxative abuse are the most common causes of low potassium.

Certain kidney disorders such as renal tubular acidosis (see chronic kidney failure and acute kidney failure)

Magnesium deficiency

Leukemia

Loss through stomach and intestines

vomiting

Enemas or excessive laxative use

Diarrhea

After ileostomy operation

Water pills (diuretics)

Medicines used for asthma or emphysema (beta-adrenergic agonist type of drugs such as bronchodilators, steroids, or theophylline)

Aminoglycosides (a type of antibiotic used for treating certain serious infections)

Use of insulin

Certain metabolic states (such as alkalosis)

Malnutrition