What Does Gtt Mean?

Medical jargon is riddled with abbreviations, many of which are universally understood and some of which are very specialized. Yes, I’m looking at you, ophthalmology and OB/GYN. 😛

A common abbreviation I’ve seen in the perioperative world is “gtt.” This shorthand is used for continuous medication drips like propofol gtt, fentanyl gtt, milrinone gtt, etc.

“Gtt” is an abbreviation for “gutta,” the Latin word for “drop.” Similarly, gtts = guttae (plural) = drops. As in… the patient is on norepinephrine and insulin gtts en route to the intensive care unit. Unfortunately, I’ve seen “ggt” written instead of “gtt” as well. GGT is an enzyme (gamma-glutamyl transferase) found in all organs but most often associated with hepatobiliary damage. Knowing the Latin word has two ‘t’s might help us remember the correct abbreviation. 🙂

Instead of the three-letter Latin abbreviation “gtt,” I exhaust myself by writing the four-letter English word “drip.” And if I’m feeling particularly sophisticated, I might even write “infusion.” 😉

On that note, saying “adrenaline drip” sounds way cooler than “epi gtt.” Jealous of my European colleagues where this is the norm. 😀

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Comments

14 responses to “What Does Gtt Mean?”

  1. Paramjit Singh Avatar
    Paramjit Singh

    How hard it is to order any medication as infusion instead of gtt to avoid confusion? With EMRs it should even be easier to select infusion. Abbreviations are misleading and can lead to dangerous errors, if not understood.

  2. Dr Anup Gopinath Avatar
    Dr Anup Gopinath

    Thanks for the clarity! Some of my students and juniors “googled” the term and said it is glucose tolerance test!
    Well articulated!

  3. Mélanie Bélanger Lyons Avatar
    Mélanie Bélanger Lyons

    Also in french it means “gouttes” which means “drops” ????

  4. Karin Podolski Avatar
    Karin Podolski

    Oh my gosh. I’ve been an RN for 20 years and never knew that! Thanks.

  5. Nina Avatar

    Never thought to research the origin of he word. Thanks for sharing. I’ll pump my Med students tomorrow with this trivia

  6. Elizabeth Avatar

    I had no idea that’s what it came from… always thought it must be an acronym for something no one remembered any more ?

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