7 lines (6 with data), 254 Bytes

e255b 0 128 0 9:30:00 26/03/1989
# Start time=09:30
# First beat=09:30:00.882
# <age-range>: 45-49, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.5
# Note: recording with a timing signal, flutter-compensated