A blockage in the urinary tract can cause leukocytes to appear in the urine. This is often accompanied by blood in the urine. Trauma to the pelvis, a pelvis tumor, bladder or kidney stones, unwanted objects in the urinary tract or prostate hypertrophy can cause a blockage that damages the urinary system.
noun. Psi is the twenty third letter of the Greek alphabet. An example of psi is Ï. Psi is the twenty third letter of the Greek alphabet. An example of psi is the average human blood pressure of 2.32 psi/1.55 psi which equates to 120/80.
Patient Services, Inc. (PSI) is a non-profit charitable organization which provides a safety net for patients with chronic illnesses struggling to keep up with expensive premiums and co-payments.