Atrial auricle
atrial auricle
atrial auricle n.
A small conical pouch projecting from the upper anterior portion of each atrium of the heart. Also called auricula atrii, auricular appendage, auricular appendix.
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- Atrial chaotic tachycardia
atrial chaotic tachycardia atrial chaotic tachycardia n. Tachycardia originating from several foci within the atrium, often confused with atrial fibrillation.
- Atrial complex
atrial complex atrial complex n. The P wave in an electrocardiogram.
- Atrial conduction
atrial conduction atrial conduction n. See intra-atrial conduction.
- Atrial dissociation
atrial dissociation atrial dissociation n. Independent beating of the two atria or of parts of the atria.
- Atrial extrasystole
atrial extrasystole atrial extrasystole n. A premature contraction of the heart arising from an ectopic atrial focus.