| HB | health board; heart block; heel to buttock; held back; hemoglobin; hepatitis B; His bundle; hold bre... |
|---|---|
| HBE | His bundle electrogram |
| MFB | medial forebrain bundle; metallic foreign body |
| NVB | neurovascular bundle |
| PMB | papillomacular bundle; para-hydroxymercuribenzoate; polychrome methylene blue; polymorphonuclear bas... |