Medical abbreviations and acronyms (G)

This article contains a list of commonly used medical abbreviations and acronyms that start with the letter G and may be encountered in medicine and radiology (please keep both the main list and any sublists in alphabetic order).

A -B-C-D-E-F-G-H-I-J-K-L- M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z-misc

• G

  • gauge

  • gauss (cgs unit of magnetic flux density)

  • giga (SI prefix for 10⁹)

  • glycine (single letter amino acid code)

  • gramme (gram is the preferred modern usage)

  • guanine (DNA nucleotide)

• GA

  • gastric analysis

  • general anaesthesia

  • gestational age

• Ga: gallium

• GABA: gamma-aminobutyric acid

• GAD: generalised anxiety disorder

• Gad: gadolinium

• GAE: granulomatous amoebic encephalitis

• GAG:glycosaminoglycan

• GAMP: general anaesthesia, manipulation and plaster

• GAVE:gastric antral vascular ectasia

• GB

  • gallbladder

  • gastric band

  • gigabyte

• GBEF: gallbladder ejection fraction

• GBM

  • glioblastoma(previously glioblastoma multiforme)

  • glomerular basement membrane

• GBq: gigabecquerel

• GBS

  • group B streptococcus

  • Guillain-Barré syndrome

• GCA:giant cell arteritis

• GCA scale:global cortical atrophy scale

• GCKD: glomerulocystic kidney disease

• GCS:Glasgow coma scale

• GCT

  • germ cell tumour

  • giant cell tumour

• GCV:great cardiac vein

• GD

  • Gaucher disease

  • gestational diabetes

• Gd: gadolinium

• GDA:gastroduodenal artery

• GDC:gastric duplication cyst

• GDM: gestational gestational diabetes mellitus

• GE

  • General Electric

  • gradient echo

• Ge: germanium

• GORD:gastrooesophageal reflux disease

• GEP-NET: gastroenteropancreatic gastroenteropancreatic neuroendocrine tumour

• GFR: glomerular filtration rate

• GG

  • Gastrografin^®

  • ground glass

• GGO: ground glass opacity(ies)

• GGT: gamma-glutamyl transferase

• GH: growth hormone

• GHB: gamma hydroxybutyrate

• GHL:glenohumeral ligament

• GHRH: growth hormone releasing hormone

• GI

  • gastrointestinal

  • glycaemic index

• GIF: graphics interchange format

• GIFT: gamete intrafallopian transfer

• GIST: gastrointestinal stromal tumour

• GIT: gastrointestinal tract

• GLF: ground-level fall

• Gln: glutamine

• Glu: glutamic acid

• GLUT: glucose transporter

• Gly: glycine

• GM: grey matter

• GMC: General Medical Council (UK)

• GNB: Gram-negative bacteria

• GnRH: gonadotropin-releasing hormone

• GOC: glandular odontogenic cyst

• GoF: gain of function

• GOJ:gastro-oesophageal junction

• GOMER: get out of my emergency room

• GOO:gastric outlet obstruction

• GORD:gastro-oesophageal reflux disease

• GP

  • general practice

  • general practitioner

  • globus pallidus

• GPA: granulomatosis with polyangiitis

• Gr: Greek

• GRASS:gradient acquisition in steady state

• GRE:gradient echo

• GS

  • gallstone

  • Gilbert syndrome

  • Gram stain

• Gs: gauss

• G&S: group and save

• GSD:gestational sac diameter

• GSV: great saphenous vein

• GSW: gun shot wound

• GTCS: generalised tonic-clonic seizure

• GTDC: gastrointestinal tract duplication cyst

• GTN: glyceryl trinitrate

• GTT

  • drop (Latin: gutta)

  • glucose tolerance test

• GTV: gross target volume

• GU

  • gastric ulcer

  • genitourinary

• GUCH: grown up congenital heart disease

• GUM: genitourinary medicine

• GUT: genitourinary tract

• GVHD:graft versus host disease

• Gy: gray

• GYN: gynaecology (North American abbreviation)