Supraventricular Premature Complex With Unknown Origin by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding of an ectopic impulse originating from the atria or atrioventricular junction for which the site of origin cannot be determined from the surface electrocardiographic recording; there may be one or more occurrences during an electrocardiographic recording.

**Synonyms:** - SUPRAVENTRICULAR PREMATURE COMPLEX, ORIGIN UNKNOWN - Supraventricular Premature Complexes, Origin Unknown