EKG quiz Answer the questions about the following strips :
1. Is the rhythm regular?
2. What is the rate?
3. What is the P to QRS ratio?
4. Is the QRS complex narrow? How many seconds?
5. What is the PR interval?
1. Yes, it is a regular rhythm, it has the same space between QRS complexes.
2. Heart rate of 75 bpm
3. 1:1 one P wave per each QRS
4. QRS is narrow, about 3 small boxes (0.12 sec)
5. It is about 3 small boxes