7 lines (6 with data), 260 Bytes

f178b 0 128 0 11:30:00 08/09/1988
# Start time=11:30
# First beat=11:31:00.289
# <age-range>: 65-69, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.664,  <RR-high-limit(sec)>: 1.281
# Note: recording with a timing signal, flutter-compensated