7 lines (6 with data), 248 Bytes

e201a 0 128 0 11:00:00 18/03/1988
# Start time=11:00
# First beat=11:04:44.140
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.625,  <RR-high-limit(sec)>: 1.023
# Note: reel-to-reel recording, not flutter-compensated