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Home > Health & Fitness > Healthwise > Adenosine for Fast Heart Rates
Adenosine reduces the normal flow of the
electrical impulses through the
atrioventricular (AV) node of the heart.
Adenosine is used in the hospital to try to restore a
normal heart rate and rhythm when you are having an episode of
Adenosine is always given by a doctor
while you are hooked up to a heart monitor. It is given through a vein
(intravenous, or IV). Adenosine works very quickly and lasts only a short
period of time (less than 1 minute).
may be used to diagnose tachycardia or to help find the location of the
fast heart rate.
Adenosine can slow or stop a rapid heart rate if the problem is caused by an abnormal
electrical pathway in the heart.1 Adenosine will not work if the fast heart rate
has a different cause. Adenosine may only slow your heart rate for a short time
if you also have
atrial fibrillation or atrial flutter.
Adenosine is given in a hospital. Your doctor will watch you closely for any side effects.
Possible side effects include:
See Drug Reference for a full list of side effects. (Drug
Reference is not available in all systems.)
Adenosine is a quick-acting,
short-term therapy intended to convert the fast heart rhythm of a
supraventricular tachycardia (SVT) back to a normal
Complete the new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
Drugs for cardiac arrhythmias (2007). Treatment Guidelines From The Medical Letter, 5(58): 51–58.
August 9, 2012
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology & John M. Miller, MD, FACC - Cardiology, Electrophysiology
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