Atrial Enlargement by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding which comprises left, right or bilateral atrial enlargement. This is may be characterized by prolonged P wave duration, increased P wave amplitude, or multi-component P waves. (CDISC)

**Synonyms:** - ATRIAL ENLARGEMENT - Atrial Enlargement - Atrial Enlargement by EKG Finding