7 lines (6 with data), 247 Bytes

e106a 0 128 0 9:40:00 21/08/1988
# Start time=09:40
# First beat=10:09:53.382
# <age-range>: 45-49, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.421,  <RR-high-limit(sec)>: 0.914
# Note: reel-to-reel recording, not flutter-compensated