{TAIL ~ The last recorded current cardiac events} and event markers preceding {HEAD ~ a detection} of the ventricular pause are preserved 
{ TAIL ~ The last recorded current cardiac events } and event markers preceding { HEAD ~ a detection } of the ventricular pause are preserved
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH