atrial appendix


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atrial appendage

(1) Right atrial appendage; auricula dextra [NA6], right auricle. 
(2) Left atrial appendage; auricula sinistra [NA6], left auricle.

atrial appendix

A small muscular pouch attached to each atrium of the heart.
See also: appendix
References in periodicals archive ?
In group 2 after diltiazem left atrial appendix FRV decreased from 0.21 [+ or -] 0.9 m/s to 0.19 [+ or -] 0.6 m/s (p>0.05).
Left atrial appendix emptying velocity was measured again using the pulse wave Doppler placed in the 1/3 proximal of LAA.
It has been reported that lengthening of diastole duration due to the decrease in heart rate increases emptying of atrium and the rate of filling of atrial appendix. We did not observe such an effect of decrease in heart rates provided by diltiazem and metoprolol.