| PU | palindromic unit; passed urine; pepsin unit; peptic ulcer; pregnancy urine; 6-propyluracil; prostati... |
|---|---|
| RTU | real-time ultrasonography; relative time unit; renal transplantation unit |
| SCU | self-care unit; special care unit |
| SDU | standard deviation unit; step-down unit |
| SICU | spinal intensive care unit; surgical intensive care unit |