Home Golf Tips For Beginners ECG for Beginners. Understanding the waves of ECG, P wave, QRS complex. ECG for Beginners. Understanding the waves of ECG, P wave, QRS complex. Golf Pro May 15, 2019 comments off Tweet on Twitter Share on Facebook Pinterest Learn the different waves of ECG P wave, QRS complex, R wave progression and more, watch behind the scenes outtakes ! See also Getting Started in Golf, Beginner's Lesson