7 lines (6 with data), 246 Bytes

e035a 0 128 0 11:45:00 05/12/1988
# Start time=11:45
# First beat=12:09:55.203
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1.164
# Note: reel-to-reel recording, not flutter-compensated