AACN ECG Telemetry 1. number of seconds of 1 small box: .04 2. number of seconds of 1 large box: .20 3. tic mark every seconds: 3 4. QRS complex: 0.06-0.10 5. QT interval: 0.30-0.44 6. subsequent upward: R prime 7. 5 things to look at for every ECG: P waves, PR interval, QRS duration, rate,regularity 8. what is the HR if a QRS wave is boxes from another QRS wave for1 box? 2 boxes? 3 boxes? 4 boxes? 5 boxes? 6 boxes?: 300, 150, 100, 75, 60, 50 9. how many little boxes per big box?: 5 10. if a P w