When Looking at the ECG Graph Paper,you Notice the 'P-R

question 22

Multiple Choice

When looking at the ECG graph paper,you notice the 'P-R' interval is exactly the same distance of one of the larger squares.What is this distance?

• A) 1 millivolt
• B) 1 second
• C) 0.04 seconds
• D) 0.20 seconds