Early R Wave Transition by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding where the amplitude of the R wave becomes greater than the amplitude of the S wave in the QRS complex at an unusually early point in the precordial leads, usually in leads V1 or V2. (CDISC)

**Synonyms:** - EARLY R WAVE TRANSITION - Early R Wave Progression - Early R Wave Progression - Early R Wave Transition - Early R Wave Transition - Early R Wave Transition by EKG Finding