What med should not be given prior to a CT scan with contrast and for 48 hours after?

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This question was on my complex care final, and I honestly for the life of me had no idea what the answer could have been. Maybe this is like a duh question and I just wasn't thinking.. but does anyone have any idea?:confused:

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Specializes in LTC.

Look up your diabetes meds....

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Specializes in Oncology.

I believe Metformin

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I believe Metformin

Meformin should be stopped before contrast is given as in a CT scan due to the increased incidence of lactic acidosis. The answer the OP is looking for is Acetylcystine. The dose comes from this study among others:

Prophylaxis of contrast-induced nephropathy in pat... [Catheter Cardiovasc Interv. 2003] - PubMed result

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Specializes in ICU, Telemetry.

FYI, you'd better look at creatinine, too. We've had radiology refuse to do contrast based on the patient's labs...so, look up it's effect on kidney function (med listed above, and creatinine). If you understand the "why," you'll never forget the "what."

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Specializes in Nephrology, Cardiology, ER, ICU.

The answer is glucophage

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Meformin should be stopped before contrast is given as in a CT scan due to the increased incidence of lactic acidosis. The answer the OP is looking for is Acetylcystine. The dose comes from this study among others:

Prophylaxis of contrast-induced nephropathy in pat... [Catheter Cardiovasc Interv. 2003] - PubMed result

Acetylcystine would not be held prior to a study, it would actually be given, its also called mucomyst.....its the stuff that smells like rotten eggs.....its given to protect the kidneys from contrast dye.....Which is exactaly why the glucophage is held prior to CT studies. Glucophage can increase the kidneys likelihood of holding onto the contrast dye leading to toxic levels, basically decreasing the clearing time of the contrast dyes

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Specializes in Med/Surg.

Hm, at my hospital we don't give Metformin for 48 hours after CT with contrast.

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Specializes in Nurse Leader specializing in Labor & Delivery.

Holy hell, I would so fail the NCLEX if I had to take it again.

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Specializes in Oncology.
Meformin should be stopped before contrast is given as in a CT scan due to the increased incidence of lactic acidosis. The answer the OP is looking for is Acetylcystine. The dose comes from this study among others:

Prophylaxis of contrast-induced nephropathy in pat... [Catheter Cardiovasc Interv. 2003] - PubMed result

The question was what would NOT be given, not what should be given.

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The question was what would NOT be given, not what should be given.

Sorry I missed the not. The answer is Metformin as many have pointed out.

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Specializes in Home Care.

We just had this one on our final too. Maybe you go to the same school :) The answer is in the textbook under the diabetes chapter :)

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