7 lines (6 with data), 254 Bytes

f055b 0 128 0 12:30:00 31/05/1988
# Start time=12:30
# First beat=12:30:00.078
# <age-range>: 55-59, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.671,  <RR-high-limit(sec)>: 1.234
# Note: reel-to-reel recording, not flutter-compensated