Figure 14. Normal sinus rhythm. Impulses originate at the SA node at the normal rate. All complexes are evenly spaced; rate 60 - 100/min. PR interval 120 - 200 msec.
Figure 14. Normal sinus rhythm. Impulses originate at the SA node at the normal rate. All complexes are evenly spaced; rate 60 - 100/min. PR interval 120 - 200 msec.