atrial fibrillation

名词 n.

英文释义

名词 n.
  1. A cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart. countable,uncountable
    — The most common type of irregular heartbeat is atrial fibrillation or AFib. It is estimated that between three and six million people in the United States have AFib.

词形变化

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