Atrial fibrillation is the most common chronic arrhythmia. It is characterized by erratic atrial electrical activity with atrial rates of 400 to 600 beats per minute. The P wave is absent on the ...
MANY common arrhythmias observed in both atria and ventricles are similar although the atrial types have a few important distinguishing features. Thus, so far as therapy is concerned, the atrial ...
One quarter of strokes are of unknown cause, and subclinical atrial fibrillation may be a common etiologic factor. Pacemakers can detect subclinical episodes of rapid atrial rate, which correlate with ...