7 lines (6 with data), 246 Bytes

f165a 0 128 0 11:20:00 08/10/1988
# Start time=11:20
# First beat=11:47:19.046
# <age-range>: 55-59, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.468,  <RR-high-limit(sec)>: 1
# Note: reel-to-reel recording, not flutter-compensated