7 lines (6 with data), 254 Bytes

f144b 0 128 0 15:10:00 04/12/1988
# Start time=15:10
# First beat=15:34:51.093
# <age-range>: 65-69, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.445,  <RR-high-limit(sec)>: 0.789
# Note: reel-to-reel recording, not flutter-compensated