Why does the nurse give adenosine (Adenocard) to a patient rapidly by intravenous (IV) push?
a. If given slowly, the heart rate will dramatically increase.
b. When given slowly, the drug is eliminated before it can act on the heart.
c. Slow administration can lead to tissue irritation and IV infiltration.
d. The drug is given rapidly so that within a minute, second or third doses may be given if needed.
B
Adenosine is an IV drug used to treat supraventricular tachycardia. It should be given as a rapid IV bolus injection (1 to 2 seconds). When given slowly, adenosine is eliminated from the body before it can get to the heart and act to slow down the rhythm.
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