7 lines (6 with data), 247 Bytes

e127a 0 128 0 13:40:00 21/04/1988
# Start time=13:40
# First beat=13:41:47.445
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.46,  <RR-high-limit(sec)>: 1.132
# Note: reel-to-reel recording, not flutter-compensated