A patient applies a transdermal nitroglycerin patch at 0900. What additional instruction should be provided by the nurse regarding the patch?
a. "Leave the patch in place until the following morning, when a new patch will be applied."
b. "Apply an additional patch if breakthrough anginal pain occurs."
c. "Remove the patch at 9 PM."
d. "Note the location of the patch, so that it can be reapplied in the same location to enhance absorption."
ANS: C
A daily "patch free" interval of 10 to 12 hours is recommended. This can be accomplished by applying a new patch each morning, leaving it in place for 12 to14 hours, and then removing it in the evening.
A daily "patch free" interval of 10 to 12 hours is recommended. This can be accomplished by applying a new patch each morning, leaving it in place for 12 to14 hours, and then removing it in the evening.
An additional patch is never indicated, because hypotension may occur.
Patches should be rotated to different areas to prevent irritation and skin breakdown.
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