7 lines (6 with data), 248 Bytes

f214a 0 128 0 13:08:00 18/06/1988
# Start time=13:08
# First beat=13:32:04.460
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 0.828
# Note: reel-to-reel recording, not flutter-compensated