| GB | gallbladder; glial bundle; goof balls; Guillain-Barre [syndrome] |
|---|---|
| HB | health board; heart block; heel to buttock; held back; hemoglobin; hepatitis B; His bundle; hold bre... |
| HBE | His bundle electrogram |
| IBBBB | incomplete bilateral bundle branch block |
| ILBBB | incomplete left bundle branch block |