7 lines (6 with data), 248 Bytes

e128a 0 128 0 13:33:00 20/08/1988
# Start time=13:33
# First beat=13:35:22.164
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.523,  <RR-high-limit(sec)>: 0.984
# Note: reel-to-reel recording, not flutter-compensated