7 lines (6 with data), 248 Bytes

f195a 0 128 0 10:45:00 01/01/1988
# Start time=10:45
# First beat=10:58:15.507
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.609,  <RR-high-limit(sec)>: 0.968
# Note: reel-to-reel recording, not flutter-compensated