7 lines (6 with data), 248 Bytes

f038a 0 128 0 12:22:00 31/12/1988
# Start time=12:22
# First beat=12:26:20.734
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.546,  <RR-high-limit(sec)>: 1.546
# Note: reel-to-reel recording, not flutter-compensated