Fig 7.a

The VEB makes less of a pause (with faster sinus rate) than in Fig 7 in the upper pannel. In the lower pannel, the pacemaker takes over after a blocked P wave. Its escape cycle is obviously longer than the subsequent paced cycles.

The VEB makes less of a pause (with faster sinus rate) than
in Fig 7 in the upper pannel. In the lower pannel, the pacemaker takes
over after a blocked P wave. Its escape cycle is obviously longer than
the subsequent paced cycles.