7 lines (6 with data), 247 Bytes

e131a 0 128 0 9:30:00 04/03/1988
# Start time=09:30
# First beat=09:44:02.101
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.585,  <RR-high-limit(sec)>: 1.007
# Note: reel-to-reel recording, not flutter-compensated