Right Coronary Artery
Branches from the aorta near the aortic valve and serves the right ventricle, the AV node (90% of the time), and part of the posterior
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Six Second ECG Glossary
Helping you understand the technical terms of ECG interpretation
Right Jugular Vein
Several major vessels enter and exit the heart. The arteries carry blood away from the heart while the veins bring blood to the heart. While
Right Pulmonary Artery
Several major vessels enter and exit the heart. The arteries carry blood away from the heart while the veins bring blood to the heart. While
Right Ventricle
The right ventricle ejects blood through the main branches of the left and right pulmonary arteries to the lungs. The chambers of the heart are
Right Ventricular Hypertrophy
Abnormal R wave progression can occur with acute myocardial infarctions and right ventricular hypertrophy. Large, dominant R waves in leads V1 and V2 may indicate
Right-Sided MI
Since an inferior MI could involve either the left or right ventricle (seldom both), a 15/18 lead ECG is warranted to help differentiate. The evidence
RR Interval
The distance between the top of the R waves. Figure 4.15 illustrates the Q wave, QT interval and the R-R interval. A normal QT interval
Rule of 300s (Triplicate Method)
The Rule of 300s (also known as the triplicate method) is useful for measuring heart rate over shorter periods (less than 3 seconds) or for
Run (burst, salvo)
A sudden group of 3 or more ectopic beats or complexes (also called a burst or a salvo). 1. Six Second ECG Guidebook (2012), T