7 lines (6 with data), 249 Bytes

e115a 0 128 0 13:21:00 30/01/1988
# Start time=13:21
# First beat=13:39:20.765
# <age-range>: 60-64, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 1.07
# Note: reel-to-reel recording, not flutter-compensated