7 lines (6 with data), 258 Bytes

f140b 0 128 0 16:21:00 17/07/1988
# Start time=16:21
# First beat=16:25:54.765
# <age-range>: 45-49, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 1.226
# Note: recording with a timing signal, flutter-compensated