7 lines (6 with data), 253 Bytes

f177b 0 128 0 11:15:00 23/11/1988
# Start time=11:15
# First beat=11:17:10.648
# <age-range>: 65-69, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.656,  <RR-high-limit(sec)>: 1.21
# Note: reel-to-reel recording, not flutter-compensated