7 lines (6 with data), 246 Bytes

e031a 0 128 0 14:30:00 23/05/1988
# Start time=14:30
# First beat=14:30:00.343
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1.242
# Note: reel-to-reel recording, not flutter-compensated