7 lines (6 with data), 252 Bytes

e226a 0 128 0 10:00:00 21/11/1988
# Start time=10:00
# First beat=10:08:20.289
# <age-range>: 40-44, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.531,  <RR-high-limit(sec)>: 1.453
# Note: recording with a timing signal, flutter-compensated