7 lines (6 with data), 254 Bytes

f131b 0 128 0 10:31:00 15/01/1988
# Start time=10:31
# First beat=10:37:28.109
# <age-range>: 55-59, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.632,  <RR-high-limit(sec)>: 1.382
# Note: reel-to-reel recording, not flutter-compensated