| S-G catheter | Swan-Ganz catheter; |
|---|---|
| ICR | [distance between] iliac crests; Institute for Cancer Research; Institute for Cancer Research [mouse... |
| UCI | unusual childhood illness; urethral catheter in; urinary catheter in |
| UCO | ultrasonic cardiac output; urethral catheter out; urinary catheter out |
| ELF | elective low forceps; extremely low frequency |