7 lines (6 with data), 260 Bytes

f113b 0 128 0 14:34:00 23/11/1988
# Start time=14:34
# First beat=14:42:12.187
# <age-range>: 50-54, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 0.882
# Note: recording with a timing signal, flutter-compensated