7 lines (6 with data), 247 Bytes

e135a 0 128 0 10:01:00 03/07/1988
# Start time=10:01
# First beat=10:24:45.695
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.695,  <RR-high-limit(sec)>: 1.14
# Note: reel-to-reel recording, not flutter-compensated