Tag P Wave
ECG Library BASICS 340 356

PR Interval

Assessment / interpretation of the EKG PR interval. ECG PR interval is the time from the onset of the P wave to the start of the QRS complex.
ECG Library BASICS 340 356

P wave

The P wave on the ECG. The P wave is the first positive deflection on the ECG and represents atrial depolarisation. Duration: < 0.12 ms (<120ms or 3 small squares)