Nonsustained Supraventricular Tachycardia by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic tracing demonstrating supraventricular tachycardia of less than thirty seconds duration. Different thresholds, for rate and/or duration, may apply to different patient populations.

**Synonyms:** - NONSUSTAINED SUPRAVENTRICULAR TACHYCARDIA