| BRR | Bannayan-Riley-Ruvalcaba [syndrome]; baroreceptor reflex response; breathing reserve ratio |
|---|---|
| C&H | cocaine and heroin; coarse and harsh [breathing] |
| CPPB | continuous positive pressure breathing |
| DB&C | deep breathing and coughing |
| DBE | deep breathing exercise; dibromoethane |
| WOB | Work of breathing |
|---|---|
| B | breathing |
| QB | quiet breathing |
| SB | spontaneous breathing |