7 lines (6 with data), 252 Bytes

f012b 0 128 0 14:28:00 13/01/1989
# Start time=14:28
# First beat=14:45:26.906
# <age-range>: 55-59, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 0.898
# Note: reel-to-reel recording, not flutter-compensated