Atria
Plural of atrium....
Archives : Lexicon
Atrial
Referring to the atrium or the atria....
Atrial fibrillation
Atrial fibrillation (AF) (Atria + fibrillation) is the most common cardiac arrhythmia. Chaotic electric activity in the atria of the heart mean that they no...
Atrioventricular block
Also AV block. A partial or complete interruption of impulse transmission from the atria to the ventricles....
Atrioventricular node
Also AV node. A small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node...
Atrium
Atrium (plural Atria) : 1570s, from Latin atrium “central court or first main room of an ancient Roman house” In keeping with its etymology, the...