7 lines (6 with data), 257 Bytes

e278b 0 128 0 16:00:00 02/08/1988
# Start time=16:00
# First beat=16:07:02.734
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.648,  <RR-high-limit(sec)>: 1.109
# Note: recording with a timing signal, flutter-compensated