7 lines (6 with data), 248 Bytes

e104a 0 128 0 13:32:00 13/09/1987
# Start time=13:32
# First beat=14:53:51.570
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 1.046
# Note: reel-to-reel recording, not flutter-compensated