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.
PSI and PSIG are both units of measurement for describing the amount pressure a gas or fluid is exerting. However, PSIG specifies what the measurement is relative to, whereas PSI does not. In both units, the letters psi are an abbreviation for pounds per square inch..