Hi:
Unfortunately, cardioversion can fail. Side effects may/can subside as the body adjusts itself, or continue on.
Atrial fibrillation (AF) has various causes (also known to be associated with many cardiac conditons) or triggers, sometimes being a one time-only occurrence, or may/can come and go, or be chronic.
During AF, electrical signals in the atria occur in a very fast, uncontrolled, and chaotic manner so that the atria quiver instead of contract, producing ineffective and disorganized atrial contractions. These disorganized electrical signals then arrive at the ventricles in an irregular fashion.
As reported, AF is an
independent risk factor for a brain attack/stroke (increasing the risk about 5-fold), and significantly increases all-cause mortality in most age groups. Additionally,
some individuals with AF are at an increased risk of heart failure or cardiomyopathy (heart muscle disease). There are a small % of individuals in which a reversible cause for AF can be readily identified, e.g., alcoholism, hyperthyroidism, or diabetes, and thus AF does not recur once the cause has been alleviated. As applicable, goals for managing recurrent or chronic AF are to restore and maintain the normal atrial rhythm and pumping function, control the ventricular rate, prevent any correlating major adverse cardiac event.
AF Management Correct any electrolyte imbalance/defficiency, in particular, potassium, magnesium. Control the ventricular response. Anticoagulation (so-called "blood thinner") therapy.
Sometimes, and on a case-by-case basis, one with an irregular heartbeat (arrhythmia, includes a racing or fast heartbeat) will need to see/consult with a cardiologist WHO IS ALSO an electrophysiologist (EP), a specialist in diagnosing and treating (possibly with a catheter ablation) problems going on in the heart's electrical conduction system.
Best of luck down the road of life.
Take care,
CardioStar*
WebMD member (since 8/99)
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Be well-informed Cleveland Clinic
Atrial Fibrillation http://www.clevelandclinic.org/heartcenter/pub/atrial_fibrillation/afib.htm -
General info, as applicable to the patient -
WebMD
Heart Disease and Electrophysiology Testing
Why Do I Need an Electrophysiology Study? To determine the cause of an abnormal heart rhythm.
To locate the site of origin of an abnormal heart rhythm
To decide the best treatment for an abnormal heart rhythm.
http://www.webmd.com/heart-disease/guide/diagnosing-electrophysiology
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Learn about the heart's delicate/precise electrical conduction system Animated Tutorial http://www.your-doctor.com/healthinfocenter/medical-conditions/cardiovascular/conductiontutorial.html Heart Rhythm Societ
y
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