7 lines (6 with data), 258 Bytes

f008b 0 128 0 11:00:00 10/08/1988
# Start time=11:00
# First beat=11:12:36.164
# <age-range>: 50-54, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.585,  <RR-high-limit(sec)>: 1.593
# Note: recording with a timing signal, flutter-compensated