7 lines (6 with data), 260 Bytes

f108b 0 128 0 14:15:00 20/02/1989
# Start time=14:15
# First beat=14:18:41.250
# <age-range>: 55-59, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 0.835
# Note: recording with a timing signal, flutter-compensated