7 lines (6 with data), 250 Bytes

e049a 0 128 0 13:20:00 14/02/1989
# Start time=13:20
# First beat=13:21:49.054
# <age-range>: 55-59, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.414,  <RR-high-limit(sec)>: 0.914
# Note: reel-to-reel recording, not flutter-compensated