7 lines (6 with data), 253 Bytes

f031b 0 128 0 9:37:00 02/05/1988
# Start time=09:37
# First beat=10:00:31.742
# <age-range>: 60-64, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.625,  <RR-high-limit(sec)>: 0.921
# Note: reel-to-reel recording, not flutter-compensated