7 lines (6 with data), 254 Bytes

f229a 0 128 0 13:24:00 20/05/1988
# Start time=13:24
# First beat=13:25:53.570
# <age-range>: 55-59, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.195
# Note: recording with a timing signal, flutter-compensated