7 lines (6 with data), 248 Bytes

e227a 0 128 0 10:48:00 20/11/1987
# Start time=10:48
# First beat=11:09:23.828
# <age-range>: 75-79, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 0.921
# Note: reel-to-reel recording, not flutter-compensated