7 lines (6 with data), 254 Bytes

f113a 0 128 0 10:23:00 28/10/1988
# Start time=10:23
# First beat=10:31:19.914
# <age-range>: 50-54, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 0.976
# Note: recording with a timing signal, flutter-compensated