Sentences with phrase «chambers of the heart quiver»
Instead of beating regularly, the upper chambers of the heart quiver.
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In AFib — which affects as many as 3 % of the population, with most cases occurring in those over 65 — the electrophysiology of the heart is out of whack, and its two upper chambers (the atria) fibrillate, or quiver, instead of contracting fully.
In AF, electrical impulses in the upper chambers of the heart are chaotic, and the atrial walls quiver rather than contracting normally in moving blood to the lower chambers.