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 â Pounds per Square Inch Pressure Unit Pounds or pound force per square inch (psi, lb/inÂ², pfsi or lbf/inÂ²) is a widely used British and American unit of measure for pressure. 1 psi equals 6,894.76 pascals. In the USA the PSI pressure unit is the pimary unit of measure for pressure and almost all pressure instruments are specified and display in pounds per square inch. The psi is still used extensively in the UK but the bar pressure unit has mostly replaced it as the primary pressure unit.