7 lines (6 with data), 247 Bytes

e244a 0 128 0 9:22:00 29/08/1988
# Start time=09:22
# First beat=09:26:44.898
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 0.968
# Note: reel-to-reel recording, not flutter-compensated