Key Learning Points
Intervals and Segments
QT Interval Page 9
- The QT Interval represents depolarization and repolarization of the ventricles.
- The QT Interval is measured from the beginning of the QRS complex to the end of the T wave.
- The QT Interval will vary depending on the heart rate, age and gender.
R-R, P-P Interval Page 10
- P-P intervals verify atrial regularity(a).
- R-R intervals verify ventricular regularity(b).
- Rhythm regularity is an important piece of information used in rhythm identification.