7 lines (6 with data), 248 Bytes

e157a 0 128 0 10:30:00 22/09/1987
# Start time=10:30
# First beat=10:53:26.203
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.546,  <RR-high-limit(sec)>: 1.429
# Note: reel-to-reel recording, not flutter-compensated