An intravenous pyelogram (PIE-uh-low-gram), also called an excretory urogram, is an X-ray exam of your urinary tract. An intravenous pyelogram lets your doctor view your kidneys, your bladder and the tubes that carry urine from your kidneys to your bladder (ureters).
By Mayo Clinic Staff. Low potassium (hypokalemia) has many causes. The most common cause is excessive potassium loss in urine due to prescription water or fluid pills (diuretics). Vomiting or diarrhea or both can result in excessive potassium loss from the digestive tract. Only rarely is low potassium caused by not getting enough potassium in your diet.
1 Low potassium in the body is called hypokalemia. 2  Symptoms include muscle cramps, weakness and irregular heartbeat, according to the University of Maryland Medical Center. 3  High potassium, called hyperkalemia, causes similar symptoms. 4  Your potassium levels may be off without these extreme symptoms, however.