(Solved): 1. Explain how to calculate heart rate using an ECG. Include sample calculations. 2. Explain what a ...

1. Explain how to calculate heart rate using an ECG. Include sample calculations. 2. Explain what an ECG represents in the heart and contraction cycle. 3. Diagram an ECG of a normal sinus rhythm on an unlined sheet of paper. Be meticulous and neat! 4. On the ECG you have drawn, identify the following waves/segments and explain how they relate to the contraction and electrical flow of the heart. Explain their importance to cardiac cell contraction, pacemaker cells, and blood flow. A. P wave B. PR interval C. QRS complex D. Twave E. ST segment Take a picture of your work and upload it here.