Question

Difficulty: MediumPharmacological Therapies

A practical nurse is preparing to administer a newly prescribed transdermal nitroglycerin patch to a client with a history of stable angina. Arrange the steps of this medication administration procedure in the correct chronological sequence.

  1. 1Perform hand hygiene and put on a pair of clean gloves.
  2. 2Remove the previously applied patch and gently wash the skin site with soap and water.
  3. 3Write the current date, time, and your initials on the outside of the new patch.
  4. 4Apply the new patch to a clean, hairless area of intact skin on the upper chest or arm.
  5. 5Press the patch firmly against the skin for about 10 seconds without massaging the area.

Answer

The correct sequence is to first don clean gloves, remove the old patch and clean the site, label the new patch, apply it to a suitable hairless area, and finally press it firmly into place without massaging.
Safe application of a transdermal nitroglycerin patch requires a systematic approach to protect both the client and the nurse. The nurse must first wear gloves to prevent self-dosing, then remove the previous patch to prevent overdose. Labeling the new patch prior to application ensures proper documentation without pressing a pen into the client. Finally, selecting a hairless site and pressing without massaging ensures the drug is absorbed at a safe, controlled rate.

Step-by-Step Solution

1
Protect the nurse from unintended medication exposure.
Don clean gloves.
Nitroglycerin is readily absorbed through the skin. Handling the patch with bare hands can cause the nurse to experience adverse effects.
2
Prepare the client for the new dose.
Remove the old patch and wash the old site.
Leaving an old patch on while applying a new one leads to toxicity and nitrate tolerance. Washing removes leftover medication residue.
3
Prepare the new medication for tracking.
Label the new patch with the date, time, and initials.
Writing on the patch before applying it ensures necessary communication with the healthcare team and prevents applying pressure from a pen directly onto the client's body.
4
Administer the medication.
Place the patch on a hairless, intact area of skin.
Scar tissue, cuts, or thick hair can alter the absorption rate of the transdermal medication.
5
Secure the medication.
Press firmly for 10 seconds without rubbing.
Friction from massaging increases local circulation, which can cause an unsafe, rapid absorption of the vasodilator.

Key Concept

Safe administration of transdermal medications
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