atrium sinistrum

1. The relation and meaning of atrium sinistrum structure variation against cardiac function and plasma atrial natriuretic peptide for hypertension patients
   高血压患者左房结构变化与心功能和血浆心钠素的关系及意义
2. Relationship between Atrial Fibrillation and the Inside Diameter of Atrium Sinistrum and Function of Left Heart of Old Patients with Coronary Heart Disease
   老年人冠心病房颤与左房内径及左心功能关系的探讨

noun

1. the left upper chamber of the heart that receives blood from the pulmonary veins

   Synonym:    left atriumleft atrium of the heart