7 lines (6 with data), 260 Bytes

f200b 0 128 0 11:25:00 30/07/1988
# Start time=11:25
# First beat=11:29:30.195
# <age-range>: 50-54, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.531,  <RR-high-limit(sec)>: 1.601
# Note: recording with a timing signal, flutter-compensated