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.
What Causes Low Potassium. Digestive issues are a big cause of low potassium and magnesium levels. There are two ways that digestive issues can cause electrolyte imbalances. Digestive Losses. The first way is through losses such as diarrhea and vomiting where the potassium is lost in the body fluid losses.