7 lines (6 with data), 253 Bytes

f049a 0 128 0 9:45:00 18/09/1987
# Start time=09:45
# First beat=09:45:00.242
# <age-range>: 55-59, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.351,  <RR-high-limit(sec)>: 0.781
# Note: recording with a timing signal, flutter-compensated