PR interval

Question 1

How to measure PR interval?

Answer 1

beginning of P to beginning of Q

Question 2

What is the PR interval?

Answer 2

time between atrial and ventricular depolarisation

Question 3

whats the normal range of PR interval?

Answer 3

120-200ms (0.12-02s)

3-5 small boxes

Question 4

what is defined as prolonged PR interval?

Answer 4

an interval of over >200ms (o.2s)

more than 5 small boxes

Question 5

what does prolonged PR interval suggest?

Answer 5

delayed AV conduction