7 lines (6 with data), 248 Bytes

e268a 0 128 0 16:00:00 13/05/1988
# Start time=16:00
# First beat=16:19:20.015
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.101
# Note: reel-to-reel recording, not flutter-compensated