Sentences with phrase «upper chamber contracts»
If the atria or upper chamber contracts early it is called an APC or atrial premature contraction.
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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.
The upper chamber of the National Assembly accused Lawal of corruption in the award of contracts at the Presidential Initiative on North East (PINE).
Atrial fibrillation, or a-fib, occurs when the atria (upper chambers of the heart) fibrillate (contract very fast and irregularly).
When the mitral valve malfunctions and does not close all the way, blood flows backward into the upper heart chamber (atrium) from the lower chamber as it contracts.
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.
In AFib, the upper chambers of the heart — the atria — do not contract, which results in a decrease in blood volume pumped from the heart to the rest of the body.
In a normal heartbeat the atria (upper or filling chambers of the heart) contract and send a signal to the ventricles (lower or pumping chambers of the heart) to contract.