7 lines (6 with data), 247 Bytes

e074a 0 128 0 14:25:00 10/12/1988
# Start time=14:25
# First beat=14:42:08.539
# <age-range>: 45-49, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.21
# Note: reel-to-reel recording, not flutter-compensated