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.
Why Your Potassium May Be Low. 1  1. Medication sides effect: Some medications for illnesses like asthma or emphysema can lower your Potassium levels. 2  2. Kidneyâs lose Potassium: For patients whoâve had a kidney transplant or disorder like tubular acidosis, kidney disorders can cause low Potassium levels. 3. Low Magnesium or Sodium: Both Magnesium and Sodium are important to aid the body in Potassium metabolizing. An inadequate intake of Magnesium or absorption issues in the body can produce low levels of Potassium.