G-I

• GB — gallbladder
• GI — gastrointestinal
• GU — genitourinary
• GTT — glucose tolerance test (pancreas test)
• gtt(s) — drop(s)
• gyn — gynecology
• H & H — hemoglobin and hematocrit
• HCG — human chorionic gonadotrophin
• hct — hematocrit
• HDL — high-density lipoprotein
• hgb — hemoglobin
• HOB — head of bed
• hr (h) — hour
• HIV — human immunodeficiency virus
• H&P — history and physical
• HR — heart rate
• hs — hour of sleep, bedtime
• ht — height
• Hx — history
• hypo — hypodermic injection
• hyst — hysterectomy
• IBS — irritable bowel syndrome
• I & D — incision and drainage
• I & O — intake and output
• ICP — intracranial pressure
• ICU — intensive care unit
• IM — intramuscular
• ing — inguinal
• inj — injection
• IPPB — intermittent positive pressure breathing
• irrig — irrigation
• IS — intercostal space
• isol — isolation
• IT — inhalation therapy
• IUD — intrauterine device
• IV — intravenous
• IVF — in vitro fertilization
• IVP — intravenous pyelogram