Lead augmented vector right (aVR) is a useful measure in the diagnosis of ST-segment elevation acute myocardial infarction (STEMI), indicates a new analysis of data from the HERO-2 trial.

An electrocardiogram is a picture of the ... The six limb leads are called lead I, II, III, aVL, aVR and aVF. The letter “a” stands for “augmented,” as these leads are calculated as ...

QRS complex and T wave in lead I. Predominantly upward P wave, QRS complex and T wave in aVR. This is opposite of what is seen in a normal ECG. The above findings are similar to that seen in a ...

She returns for a follow-up visit for palpitations, and a 12-lead ECG is obtained ... negative in leads I and aVF and positive in leads aVR and V1 (^). A second atrial waveform is superimposed ...