| UCI | unusual childhood illness; urethral catheter in; urinary catheter in |
|---|---|
| UCO | ultrasonic cardiac output; urethral catheter out; urinary catheter out |
| ER | efficiency ratio; epigastric region; ejection rate; electroresection; emergency room; endoplasmic re... |
| misc | miscarriage; miscellaneous |
| S-G catheter | Swan-Ganz catheter; |