7 lines (6 with data), 250 Bytes

f009a 0 128 0 11:03:00 23/05/1988
# Start time=11:03
# First beat=11:14:17.000
# <age-range>: 65-69, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.578,  <RR-high-limit(sec)>: 1.039
# Note: reel-to-reel recording, not flutter-compensated