7 lines (6 with data), 257 Bytes

f037b 0 128 0 14:01:00 11/02/1988
# Start time=14:01
# First beat=14:09:08.804
# <age-range>: 50-54, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.57,  <RR-high-limit(sec)>: 1.054
# Note: recording with a timing signal, flutter-compensated