| Abbreviation | Definition |
|---|---|
| GSR | Galvanic Skin Response |
| GST | General Supportive Therapy |
| GSWH | Good Samaritan Waverly Hospital |
| GTBH | Guru Teg Bahadur Hospital |
| GTBH | Guru Tegh Bahadur Hospital |
| GTC | Gas Treatment Centre |
| GTSH | Government Tribal Speciality Hospital |
| GTSH | Government Tribal Specialty Hospital |
| G-TUBE | Gastrostomy Tube (feeding tube) |
| GU | Geriatric Unit |
| GUH | Galway University Hospitals group |
| GUH | Georgetown University Hospital |
| GUHT | Grampian Universities Hospital Trust |
| GUSTO | Global Use of Strategies To Open Occluded Coronary Arteries |
| GVEH | Goulburn Valley Equine Hospital |
| GVH | Grand View Hospital |
| GVHF | Greater Victoria Hospitals Foundation |
| GWBH | Greenmount Wild Bird Hospital |
| GWCI | George Washington Medical Center Cancer Institute |
| GWH | Great Western Hospital |